Encycolorpedia

Jotun 10182 / Hvit Lin / #cfcac1 Hex-Farbcode

#cfcac1 Paint ChipDer hexadezimale Farbcode #cfcac1 ist ein hell Farbton von Braun. Im RGB-Farbmodell enthält #cfcac1 81.18% Rot, 79.22% Grün und 75.69% Blau. Im HSL-Farbraum hat #cfcac1 einen Farbtonwinkel von 39° (Grad), 13% Sättigung und 78% Helligkeit. Diese Farbe hat eine ungefähre Wellenlänge von 576.64 nm.

Farbvariationen

Benannte Farben

Farbschemas

Herunterladen: GIMP GPL Adobe ASE (Adobe Swatch Exchange)

Farbtöne und Schattierungen

#cfcac1 nach Schwarz

  1. #cfcac1
  2. #a9a59e
  3. #85827c
  4. #62605c
  5. #41403e
  6. #232322
  7. #000000

Farben

Genau passende Farben

Ähnliche Farben

  1. Dutch Boy

    1. ★ Foggy Day
      #cecac1
      ΔE = 0.352 / LRV ≈ 59.2%
    2. ★ Nantucket Mist
      #cecbc7
      ΔE = 2.266 / LRV ≈ 60.0%
  2. Pratt & Lambert

    1. ★ Tucker Pale Gray CW805
      #cfcac2
      ΔE = 0.439 / LRV ≈ 59.4%
    2. Tyler Stone Gray Medium Light CW822
      #d4ccbe
      ΔE = 2.479 / LRV ≈ 60.9%
  3. Beckers

    1. ★ Klipphäll 575 / S 2005-Y30R
      #cfcbc2
      ΔE = 0.445 / LRV ≈ 59.9%
    2. ★ Bergsklippa 531 / 2204-Y21R
      #c9c7bf
      ΔE = 1.689 / LRV ≈ 57.0%
  4. Evonik-Degussa

    1. ★ 262
      #d0cac0
      ΔE = 0.536 / LRV ≈ 59.5%
    2. ★ 162
      #cbc7c0
      ΔE = 1.433 / LRV ≈ 57.3%
  5. ICI Paints

    1. ★ Designer Grey 50YY 63/041
      #d0cbc1
      ΔE = 0.548 / LRV ≈ 60.0%
    2. ★ White Sapling 30YY 64/048
      #d2ccc2
      ΔE = 0.935 / LRV ≈ 60.8%
  6. Kelly-Moore

    1. ★ Sand Dune / KM3955-1
      #d1cbc2
      ΔE = 0.555 / LRV ≈ 60.2%
    2. Desert Palm / KM3946-1
      #d6d0c4
      ΔE = 2.522 / LRV ≈ 63.4%
  7. Benjamin Moore

    1. ★ Wish / AF-680
      #d0cbc3
      ΔE = 0.586 / LRV ≈ 60.1%
    2. Sea Salt / CSP-95
      #d5d0c4
      ΔE = 2.445 / LRV ≈ 63.2%
  8. Taubmans

    1. ★ Salinger Half / T164-3H
      #cecbc2
      ΔE = 0.718 / LRV ≈ 59.7%
    2. ★ Drifting Cloud / T12 47.B11
      #cccdc3
      ΔE = 2.209 / LRV ≈ 60.4%
  9. Sico

    1. ★ 6206-21 Sketch Paper
      #d0ccc3
      ΔE = 0.728 / LRV ≈ 60.5%
    2. ★ 6205-31 Kootenay Grey
      #c8c9bf
      ΔE = 2.297 / LRV ≈ 57.8%
  10. Crown Diamond

    1. ★ 7401-21 Sketch Paper
      #d0ccc3
      ΔE = 0.728 / LRV ≈ 60.5%
    2. 7400-31 Greybeard
      #c7c7bc
      ΔE = 2.490 / LRV ≈ 56.6%
  11. Federal Standard

    1. ★ Federal Standard 26622
      #d0ccc2
      ΔE = 0.840 / LRV ≈ 60.5%
    2. ★ Federal Standard 36595
      #cdcabe
      ΔE = 1.527 / LRV ≈ 58.9%
  12. Caparol

    1. ★ Flandern 8
      #d0ccc4
      ΔE = 0.857 / LRV ≈ 60.6%
    2. ★ Lava 6
      #ccccc0
      ΔE = 2.213 / LRV ≈ 59.8%
  13. Sigma

    1. ★ Sienna Brown / FS188
      #d0c9c1
      ΔE = 0.864 / LRV ≈ 59.0%
    2. ★ Orange Terra / S 2005-Y50R
      #d1cabc
      ΔE = 2.240 / LRV ≈ 59.4%
  14. PPG Pittsburgh Paints

    1. ★ Whiskers 513-4
      #d2ccc3
      ΔE = 0.867 / LRV ≈ 60.8%
    2. Bay Of Fundy Atc-58
      #ced0c6
      ΔE = 2.930 / LRV ≈ 62.3%
  15. Toyo Ink

    1. ★ CF10754
      #cdcbc2
      ΔE = 1.041 / LRV ≈ 59.6%
    2. CF10553
      #d7cdc0
      ΔE = 2.709 / LRV ≈ 61.9%
  16. GM / General Motors

    1. ★ Shoreline Beige
      #d2cac1
      ΔE = 1.049 / LRV ≈ 59.8%
    2. Cappuccino Frost
      #c9cbc3
      ΔE = 2.444 / LRV ≈ 59.1%
  17. Resene

    1. ★ Half Truffle Y84-009-084
      #cdc9be
      ΔE = 1.078 / LRV ≈ 58.5%
    2. ★ Half Cloud N85-009-079
      #d4cdc3
      ΔE = 1.436 / LRV ≈ 61.6%
  18. Sikkens

    1. ★ F2.05.75
      #d1c9bf
      ΔE = 1.091 / LRV ≈ 59.1%
    2. ★ F6.03.72
      #cbc6bd
      ΔE = 1.444 / LRV ≈ 56.8%
  19. Colortrend

    1. ★ 0566
      #d1c9bf
      ΔE = 1.091 / LRV ≈ 59.1%
    2. 0580
      #c5c6bd
      ΔE = 2.819 / LRV ≈ 55.9%
  20. Behr

    1. ★ Dove Gray 1439
      #d0ccc1
      ΔE = 1.120 / LRV ≈ 60.4%
    2. ★ Baked Biscotti PWN-72
      #d5cec7
      ΔE = 2.019 / LRV ≈ 62.4%
  21. Levis

    1. ★ Atl Matin E4
      #ceccc3
      ΔE = 1.142 / LRV ≈ 60.2%
    2. Bed Time
      #d8cbc0
      ΔE = 2.925 / LRV ≈ 61.1%
  22. Brillux

    1. ★ 12.03.09
      #ccc7bd
      ΔE = 1.194 / LRV ≈ 57.4%
    2. ★ 15.03.09
      #d2c8be
      ΔE = 1.758 / LRV ≈ 58.7%
  23. Devoe Paint

    1. ★ Universal Grey / 00NN 62/000
      #d0cdc5
      ΔE = 1.235 / LRV ≈ 61.1%
    2. Wayside Inn / 00YY 63/024
      #d7d0c3
      ΔE = 2.853 / LRV ≈ 63.5%
  24. Fired Earth

    1. ★ Pier Point
      #cfc8c1
      ΔE = 1.275 / LRV ≈ 58.4%
  25. General Paint

    1. ★ Hush / CL 3272W
      #cfc7be
      ΔE = 1.330 / LRV ≈ 57.8%
    2. ★ Siberia / CL 2852W
      #d2c9bc
      ΔE = 2.147 / LRV ≈ 59.1%
  26. Duron

    1. ★ Repose Gray
      #cec9c3
      ΔE = 1.351 / LRV ≈ 58.8%
    2. Alpaca
      #d1c8c3
      ΔE = 2.382 / LRV ≈ 58.8%
  27. Earthpaint

    1. ★ 5-15-2 Smokey Wings
      #d1cbbf
      ΔE = 1.374 / LRV ≈ 60.0%
    2. 5-9-2 Anzac Biscuit
      #d8cdc1
      ΔE = 2.753 / LRV ≈ 62.1%
  28. Tikkurila

    1. ★ 4974
      #d2cec5
      ΔE = 1.404 / LRV ≈ 61.9%
    2. ★ H487 / Pumice
      #cac6bf
      ΔE = 1.727 / LRV ≈ 56.7%
  29. Nippon Paint

    1. ★ Abacadabra / NP N 2034 P
      #d2cec5
      ΔE = 1.404 / LRV ≈ 61.9%
  30. Graham & Brown

    1. ★ Hunky Bunker
      #d0c8bd
      ΔE = 1.406 / LRV ≈ 58.4%
    2. Temple Stone
      #d0c6ba
      ΔE = 2.368 / LRV ≈ 57.3%
  31. Opaltone / OMS

    1. ★ 4097
      #cac7be
      ΔE = 1.416 / LRV ≈ 57.1%
    2. ★ 5097
      #c9c8be
      ΔE = 1.811 / LRV ≈ 57.4%
  32. Dunn-Edwards

    1. ★ Miner's Dust / 1658
      #d3cec5
      ΔE = 1.438 / LRV ≈ 62.0%
    2. ★ Muslin / 1681
      #d4d0c5
      ΔE = 2.235 / LRV ≈ 63.1%
  33. Tollens

    1. ★ Plumage | EE231
      #cccbc4
      ΔE = 1.585 / LRV ≈ 59.5%
    2. ★ Bois flotté
      #d3cfc6
      ΔE = 1.754 / LRV ≈ 62.6%
  34. Albany Paint

    1. ★ Gullswing
      #cbcac3
      ΔE = 1.603 / LRV ≈ 58.9%
  35. Craig & Rose

    1. ★ Cinder Block
      #d0cec4
      ΔE = 1.641 / LRV ≈ 61.5%
  36. Scib Paints

    1. ★ Grey Ghost / 8474
      #d3cbbf
      ΔE = 1.681 / LRV ≈ 60.3%
    2. Silver Queen / 8298
      #cac8c4
      ΔE = 2.476 / LRV ≈ 57.9%
  37. Martha Stewart Living

    1. ★ Mercury Glass G31
      #c9c7bf
      ΔE = 1.689 / LRV ≈ 57.0%
    2. ★ Georgia Mist G30
      #c9c7bb
      ΔE = 2.208 / LRV ≈ 56.9%
  38. Color Truck Guide

    1. ★ Ce-Sa002.06
      #c9c6be
      ΔE = 1.757 / LRV ≈ 56.5%
    2. Ce-Sa011.03
      #cfcbbc
      ΔE = 2.642 / LRV ≈ 59.6%
  39. Peintures MF

    1. ★ Larme
      #d5cdc5
      ΔE = 1.764 / LRV ≈ 61.8%
    2. AD160-1
      #d1c6ba
      ΔE = 2.575 / LRV ≈ 57.5%
  40. Dulux

    1. ★ Dusted Moss 2
      #d2cfc6
      ΔE = 1.781 / LRV ≈ 62.4%
    2. ★ Perfect Oyster / Rich Praline 5
      #d6cec7
      ΔE = 2.231 / LRV ≈ 62.6%
  41. Model Master

    1. ★ Model Master 1930
      #cbc9bd
      ΔE = 1.835 / LRV ≈ 58.1%
  42. Pantone / PMS

    1. ★ Cool Grey 3
      #cfc9c4
      ΔE = 1.854 / LRV ≈ 59.0%
    2. Warm Grey 3
      #cfc4b8
      ΔE = 2.950 / LRV ≈ 56.2%
  43. Microcar

    1. ★ Or Blanc / 1099
      #c9c6bf
      ΔE = 1.877 / LRV ≈ 56.6%
  44. Audi

    1. ★ Opalsilber Metallic / 9A, LD1X
      #c9c5bc
      ΔE = 1.914 / LRV ≈ 56.0%
    2. Platiniumgrau Metallic Matte / LX1Z
      #d4cdbe
      ΔE = 2.856 / LRV ≈ 61.4%
  45. Changan

    1. ★ Pure White / N05
      #cfccc7
      ΔE = 1.945 / LRV ≈ 60.6%
  46. Dulux Australia

    1. ★ Male / A156
      #d6cdc3
      ΔE = 1.947 / LRV ≈ 61.9%
    2. Sandy Day / B36
      #d7cec1
      ΔE = 2.687 / LRV ≈ 62.4%
  47. Valspar Paint

    1. ★ Shaken Not Stirred
      #cdc6ba
      ΔE = 1.989 / LRV ≈ 56.9%
    2. Notre Dame
      #d2cdbe
      ΔE = 2.752 / LRV ≈ 61.1%
  48. Cloverdale Paint

    1. ★ Grey Ghost / 8474
      #d5cdc1
      ΔE = 2.016 / LRV ≈ 61.7%
    2. Fading Fog / 8307
      #cbccc7
      ΔE = 2.660 / LRV ≈ 60.0%
  49. Dupont

    1. ★ CAS818
      #ccc5ba
      ΔE = 2.016 / LRV ≈ 56.3%
    2. CAS834
      #c8c6ba
      ΔE = 2.454 / LRV ≈ 56.2%
  50. Rodda Paint

    1. ★ Avorio 8755
      #d4c9c0
      ΔE = 2.037 / LRV ≈ 59.6%
    2. ★ Winter Way 8331
      #c9cac0
      ΔE = 2.188 / LRV ≈ 58.5%
  51. Jotun

    1. ★ 0208 / Pastellgrå
      #cdcdc2
      ΔE = 2.061 / LRV ≈ 60.5%
    2. 2499 / Delikat
      #cec5b8
      ΔE = 2.683 / LRV ≈ 56.5%
  52. Little Greene

    1. ★ Courtyard
      #d3cfc3
      ΔE = 2.129 / LRV ≈ 62.4%
    2. Marquee
      #d6cec1
      ΔE = 2.500 / LRV ≈ 62.3%
  53. Landwind

    1. ★ Jade White / WHI
      #cacbc1
      ΔE = 2.135 / LRV ≈ 59.1%
  54. Teknos

    1. ★ GBI017
      #cbcac5
      ΔE = 2.150 / LRV ≈ 59.0%
    2. GBI036
      #d7cdc1
      ΔE = 2.484 / LRV ≈ 62.0%
  55. Johnstone's Paint

    1. ★ China Clay
      #d5cfc8
      ΔE = 2.162 / LRV ≈ 62.9%
  56. Plascon

    1. ★ Ivory Parchment Y3-D2-3
      #d4d0c8
      ΔE = 2.173 / LRV ≈ 63.3%
    2. ★ Artists Canvas Y2-E2-3
      #c8c4bc
      ΔE = 2.280 / LRV ≈ 55.4%
  57. Sherwin-Williams

    1. ★ Realist Beige - 6078
      #d3c8bd
      ΔE = 2.177 / LRV ≈ 58.8%
    2. Reticence - 6064
      #d9cdc3
      ΔE = 2.855 / LRV ≈ 62.4%
  58. British Standard

    1. ★ BS 2660 BS 9-099 - (not included)
      #d1cbbd
      ΔE = 2.198 / LRV ≈ 59.9%
    2. BS 4800 00 A 03 - Grey
      #cacbc6
      ΔE = 2.635 / LRV ≈ 59.3%
  59. Crown Paint

    1. ★ Parfait
      #d3ccc7
      ΔE = 2.207 / LRV ≈ 61.2%
    2. Taste of Honey
      #d2c6be
      ΔE = 2.601 / LRV ≈ 57.8%
  60. Bristol

    1. ★ Drifting Cloud / P223-N2
      #cccdc3
      ΔE = 2.209 / LRV ≈ 60.4%
    2. Rainbow Trout / P201-N3
      #ccc8ba
      ΔE = 2.410 / LRV ≈ 57.7%
  61. California Paints

    1. ★ DE 6227 - Muslin
      #d4d0c5
      ΔE = 2.235 / LRV ≈ 63.1%
    2. DE 6241 - Lunar Landing
      #d2cfc1
      ΔE = 2.745 / LRV ≈ 62.2%
  62. Suzuki

    1. ★ Absolute White / 11U
      #c9cac3
      ΔE = 2.247 / LRV ≈ 58.6%
  63. Volvo

    1. ★ Alaska White / TOY-PT72
      #c9cac3
      ΔE = 2.247 / LRV ≈ 58.6%
    2. Arctic White / NIS-WH
      #cbcdc6
      ΔE = 2.605 / LRV ≈ 60.4%
  64. Natural Color System / NCS

    1. ★ S 2002-G50Y
      #ccc5b9
      ΔE = 2.255 / LRV ≈ 56.3%
    2. S 2000-N
      #d1c5bc
      ΔE = 2.686 / LRV ≈ 57.1%
  65. Ford

    1. ★ Tan
      #c9c4bd
      ΔE = 2.287 / LRV ≈ 55.6%
    2. Mocha Frost
      #cec5b8
      ΔE = 2.683 / LRV ≈ 56.5%
  66. Diamond Vogel

    1. Awakening / 0560
      #d5ccbf
      ΔE = 2.324 / LRV ≈ 61.1%
    2. Overgrown / 0196
      #d0c8ba
      ΔE = 2.433 / LRV ≈ 58.3%
  67. Sto

    1. 31436
      #d7cfc4
      ΔE = 2.356 / LRV ≈ 63.1%
    2. 32236
      #d9cfc4
      ΔE = 2.815 / LRV ≈ 63.4%
  68. Porter Paints

    1. Moth Gray / 515-4
      #d1c9bb
      ΔE = 2.364 / LRV ≈ 58.9%
    2. River Rock / ATC-82
      #d9cdc4
      ΔE = 2.866 / LRV ≈ 62.4%
  69. Coronado Paint

    1. 8474 - Grey Ghost
      #d0c6ba
      ΔE = 2.368 / LRV ≈ 57.3%
    2. 8442 - Weathered White
      #d2c9bb
      ΔE = 2.504 / LRV ≈ 59.1%
  70. Olympic

    1. Gray Ghost D17-2
      #d5cfc9
      ΔE = 2.407 / LRV ≈ 63.0%
    2. Quill D16-2
      #d5d1c9
      ΔE = 2.522 / LRV ≈ 64.0%
  71. TRUMATCH

    1. 9-g4
      #d0cfc9
      ΔE = 2.413 / LRV ≈ 62.3%
  72. Ralph Lauren

    1. Garden Moss / RLVM260
      #d1d0c5
      ΔE = 2.442 / LRV ≈ 62.7%
    2. Stone / RLUL221
      #c6c3b8
      ΔE = 2.973 / LRV ≈ 54.5%
  73. Vista Paint

    1. Avorio
      #d4c8c0
      ΔE = 2.453 / LRV ≈ 59.1%
    2. Winter Way
      #c6c7be
      ΔE = 2.587 / LRV ≈ 56.6%
  74. Glidden

    1. Smooth Stone
      #d5d1c8
      ΔE = 2.461 / LRV ≈ 63.9%
    2. Canyon Echo
      #d6d1cb
      ΔE = 2.913 / LRV ≈ 64.2%
  75. Zastava

    1. Aspen White / 211
      #cdc7b9
      ΔE = 2.468 / LRV ≈ 57.3%
  76. Berger

    1. Silver Queen / 8298
      #cac8c4
      ΔE = 2.476 / LRV ≈ 57.9%
    2. Fading Fog / 8307
      #cbcbc7
      ΔE = 2.686 / LRV ≈ 59.5%
  77. Homebase

    1. Biscuit
      #d7d0c8
      ΔE = 2.485 / LRV ≈ 63.7%
  78. Vallejo

    1. Vallejo 70.883 #152
      #cbcbbe
      ΔE = 2.493 / LRV ≈ 59.1%
  79. Asian Paints

    1. Grey Flannel / 8331
      #c6c7be
      ΔE = 2.587 / LRV ≈ 56.6%
  80. Focoltone

    1. 4040
      #d3c9c4
      ΔE = 2.600 / LRV ≈ 59.6%
  81. McCormick Paints

    1. Fading Fog
      #cbcbc7
      ΔE = 2.686 / LRV ≈ 59.5%
  82. Brighto Paints

    1. 7200 Stonegrey
      #cccec3
      ΔE = 2.719 / LRV ≈ 60.9%
  83. Designers Guild

    1. Putty
      #d9d0c6
      ΔE = 2.805 / LRV ≈ 63.9%
  84. Habitat

    1. Mushroom
      #d8ccc0
      ΔE = 2.874 / LRV ≈ 61.6%
  85. Farrow & Ball

    1. Elephant's Breath / 229
      #d3cabb
      ΔE = 2.875 / LRV ≈ 59.7%
  86. Chrysler

    1. Dawn Gray
      #c7c2ba
      ΔE = 2.898 / LRV ≈ 54.3%
    2. Light Rosewood
      #cdc5b7
      ΔE = 2.914 / LRV ≈ 56.3%
  87. Alcro

    1. Duva
      #d4d2c7
      ΔE = 2.930 / LRV ≈ 64.2%
  88. Dr

    1. Chery White / 1004
      #cacdc2
      ΔE = 2.936 / LRV ≈ 60.1%
  89. CIL

    1. Cameo Stone
      #d8cfc9
      ΔE = 2.964 / LRV ≈ 63.4%
    2. Roma Glass
      #d5ceca
      ΔE = 2.968 / LRV ≈ 62.6%
  90. Mylands of London

    1. Mid White
      #c7c6c2
      ΔE = 2.968 / LRV ≈ 56.4%
  91. Geely

    1. Pure White Solid / 081
      #d0d0c3
      ΔE = 2.984 / LRV ≈ 62.5%

#cfcac1 Beispiele für HTML und CSS

#cfcac1 Vordergrund

Wer zwei Hasen auf einmal jagt bekommt keinen.

<p style="color: #cfcac1">…</p>

#cfcac1 Hintergrund

Krummes Holz gibt auch gerades Feuer.

<p style="background-color: #cfcac1">…</p>

#cfcac1 Textschatten

Aus Schaden wird man klug.

<p style="text-shadow: 0.1em 0.1em 0.15em #cfcac1">…</p>

Farbkompositionsdiagramme

Farbräume

Dezimalzahl
13617857
Binär
11001111, 11001010, 11000001
Hexadezimal
#cfcac1
LRV
≈ 59.4%
Naheste kurze Hexadezimalzahl
#ccb ΔE = 3.523
RGB
rgb(207, 202, 193)
RGBA
rgba(207, 202, 193, 1.0)
RG-Chromatizität
r: 0.344, g: 0.336, b: 0.321
RYB
Rot: 0.787%, Gelb: 0.812%, Blau: 0.757%
Android / android.graphics.Color
-3159359 / 0xffcfcac1
HSL
hsl(39, 13%, 78%)
HSLA
hsla(39, 13%%, 78%%, 1.0)
HSV / HSB
Farbton: 39° (38.571), Sättigung: 7% (0.068), Wert: 81% (0.812)
HSP
Farbton: 38.571, Sättigung: 6.763%, wahrgenommene Helligkeit: 79.416%
HSLuv (HUSL)
H: 65.656, S: 8.792, L: 81.487
Cubehelix
H: 36.292, S: 0.126, L: 0.794
TSL
T: 2.391, S: 0.014, L: 0.794
CMYK
Cyan: 0% (0.000), Magenta: 2% (0.024), Gelb: 7% (0.068), Schwarzanteil Key: 19% (0.188)
CMY
Cyan: 19% (0.188), Magenta: 21% (0.208), Gelb: 24% (0.243)
XYZ
X: 56.477, Y: 59.357, Z: 58.924
xyY
x: 0.323, y: 0.340, Y: 59.357
CIELab
L: 81.487, a: 0.149, b: 5.100
CIELuv
L: 81.487, u: 3.408, v: 7.532
CIELCH / LCHab
L: 81.487, C: 5.102, H: 88.330
CIELUV / LCHuv
L: 81.487, C: 8.267, H: 65.656
Hunter-Lab
L: 77.044, a: -3.976, b: 8.585
CIECAM02
J: 75.415, C: 4.404, h: 87.742, Q: 171.095, M: 3.851, s: 15.004, H: 96.324
OSA-UCS
Leichtigkeit: -10.061, Gelb: 0.648, Grün: 0.155
LMS
L: 57.317, M: 61.381, S: 58.922
YCbCr
Y: 189.921, Cb: 123.309, Cr: 130.834
YCgCo
Y: 201.000, Cg: 1.000, Co: 55.250
YDbDr
Y: 202.469, Db: -14.247, Dr: -8.618
YPbPr
Y: 202.417, Pb: -5.075, Pr: 2.914
xvYCC
Y: 189.840, Cb: 123.542, Cr: 130.560
YIQ
Y: 202.469, I: 5.870, Q: -1.743
YUV
Y: 202.469, U: -4.658, V: 3.975
Munsell-Farbsystem
10YR 8/1 ΔE = 1.974
Markenfarbe
Zerply ΔE = 15.497

Zufällige Farben

Rot

Grün

Blau