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#668DAA

#668daa ≈ Air Force Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#668daa is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 40% red, 55.29% green and 66.67% blue; printed in CMYK it uses 40% cyan, 17.06% magenta, 0% yellow and 33.33% black. Its hue angle is 205.59°, with 28.57% saturation and 53.33% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and brand accents. Black text on this color reaches a contrast ratio of 5.96:1 (WCAG AA). The closest named color is Air Force Blue (#5d8aa8), ΔE 1.8.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#669999
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2478

Complementary

  1. #668daa
  2. #aa8366

Split complementary

  1. #668daa
  2. #aa666b
  3. #aaa566

Analogous

  1. #66aaa5
  2. #668daa
  3. #666baa

Triadic

  1. #668daa
  2. #aa668d
  3. #8daa66

Tetradic

  1. #668daa
  2. #8366aa
  3. #aa8366
  4. #8daa66

Square

  1. #668daa
  2. #a566aa
  3. #aa8366
  4. #6baa66

Monochromatic

  1. #2a3e4c
  2. #46667e
  3. #668daa
  4. #97b2c5
  5. #c8d6e1

Shades

#668daa mixed progressively with black.

  1. #668daa
  2. #5c7f99
  3. #527188
  4. #476377
  5. #3d5566
  6. #334755
  7. #293844
  8. #1f2a33
  9. #141c22
  10. #0a0e11
  11. #000000

Tints

#668daa mixed progressively with white.

  1. #668daa
  2. #7598b3
  3. #85a4bb
  4. #94afc4
  5. #a3bbcc
  6. #b3c6d5
  7. #c2d1dd
  8. #d1dde6
  9. #e0e8ee
  10. #f0f4f7
  11. #ffffff

Tones

#668daa mixed progressively with gray.

  1. #668daa
  2. #698ca6
  3. #6b8aa2
  4. #6e899d
  5. #708899
  6. #738795
  7. #768591
  8. #78848d
  9. #7b8388
  10. #7d8184
  11. #808080

Readable text 3.53:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.96:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #888888 ≈ 0.003% of males
Achromatomaly #7c8a97 ≈ 0.001% of males
Protanopia #818dab ≈ 1.01% of males
Deuteranopia #7885a9 ≈ 1.27% of males
Tritanopia #4d9496 ≈ 0.0001% of males
Protanomaly #778dab ≈ 1.08% of males
Deuteranomaly #7188aa ≈ 4.63% of males
Tritanomaly #58919f ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-668daa {
  color: #668daa;
}
Background
.bg-668daa {
  background-color: #668daa;
  color: #000000;
}
Border
.border-668daa {
  border: 2px solid #668daa;
}
CSS variables
:root {
  --color-primary: #668daa;
  --color-primary-rgb: 102 141 170;
  --color-primary-hsl: 206 29% 53%;
}
Gradient
.gradient-668daa {
  background: linear-gradient(135deg, #668daa, #666baa);
}
Colored shadow
.shadow-668daa {
  box-shadow: 0 8px 24px rgb(102 141 170 / 0.35);
}

#5d8aa8 Air Force Blue ΔE 1.80 #778899 Light Slate Gray ΔE 5.92 #778899 Light Slate Grey ΔE 5.92 #4682b4 Steel Blue ΔE 6.45 #6082b6 Glaucous ΔE 6.94 #708090 Slate Gray ΔE 7.27 #708090 Slate Grey ΔE 7.27 #997255 Inverted #888888 Grayscale 

Air Force Blue
#668daa  rgb(102, 141, 170)  hsl(206, 29%, 53%)  Air Force Blue
#aa8366  rgb(170, 131, 102)  hsl(26, 29%, 53%)  Cafe au Lait
#aa668d  rgb(170, 102, 141)  hsl(326, 29%, 53%)  Mulberry
#8daa66  rgb(141, 170, 102)  hsl(86, 29%, 53%)  Asparagus