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#669CAF

#669caf ≈ Moonstone Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#669caf is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 40% red, 61.18% green and 68.63% blue; printed in CMYK it uses 41.71% cyan, 10.86% magenta, 0% yellow and 31.37% black. Its hue angle is 195.62°, with 31.33% saturation and 54.31% 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 6.94:1 (WCAG AA). The closest named color is Moonstone Blue (#73a9c2), ΔE 4.78.

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 luminance0.297

Complementary

  1. #669caf
  2. #af7966

Split complementary

  1. #669caf
  2. #af6677
  3. #af9d66

Analogous

  1. #66af9d
  2. #669caf
  3. #6677af

Triadic

  1. #669caf
  2. #af669c
  3. #9caf66

Tetradic

  1. #669caf
  2. #7966af
  3. #af7966
  4. #9caf66

Square

  1. #669caf
  2. #9d66af
  3. #af7966
  4. #77af66

Monochromatic

  1. #2b4751
  2. #457384
  3. #669caf
  4. #98bcc9
  5. #cadde4

Shades

#669caf mixed progressively with black.

  1. #669caf
  2. #5c8c9e
  3. #527d8c
  4. #476d7b
  5. #3d5e69
  6. #334e58
  7. #293e46
  8. #1f2f35
  9. #141f23
  10. #0a1012
  11. #000000

Tints

#669caf mixed progressively with white.

  1. #669caf
  2. #75a6b7
  3. #85b0bf
  4. #94bac7
  5. #a3c4cf
  6. #b3ced7
  7. #c2d7df
  8. #d1e1e7
  9. #e0ebef
  10. #f0f5f7
  11. #ffffff

Tones

#669caf mixed progressively with gray.

  1. #669caf
  2. #6999aa
  3. #6b96a6
  4. #6e94a1
  5. #70919c
  6. #738e98
  7. #768b93
  8. #78888e
  9. #7b8689
  10. #7d8385
  11. #808080

Readable text 3.03:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 6.94:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #949494 ≈ 0.003% of males
Achromatomaly #8497a0 ≈ 0.001% of males
Protanopia #9199b0 ≈ 1.01% of males
Deuteranopia #8691af ≈ 1.27% of males
Tritanopia #48a2a2 ≈ 0.0001% of males
Protanomaly #829ab0 ≈ 1.08% of males
Deuteranomaly #7a95af ≈ 4.63% of males
Tritanomaly #55a0a7 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-669caf {
  color: #669caf;
}
Background
.bg-669caf {
  background-color: #669caf;
  color: #000000;
}
Border
.border-669caf {
  border: 2px solid #669caf;
}
CSS variables
:root {
  --color-primary: #669caf;
  --color-primary-rgb: 102 156 175;
  --color-primary-hsl: 196 31% 54%;
}
Gradient
.gradient-669caf {
  background: linear-gradient(135deg, #669caf, #6677af);
}
Colored shadow
.shadow-669caf {
  box-shadow: 0 8px 24px rgb(102 156 175 / 0.35);
}

#73a9c2 Moonstone Blue ΔE 4.78 #0095b6 Bondi Blue ΔE 7.46 #5d8aa8 Air Force Blue ΔE 7.87 #5f9ea0 Cadet Blue ΔE 8.07 #56a0d3 Carolina Blue ΔE 9.16 #71a6d2 Iceberg ΔE 9.39 #778899 Light Slate Gray ΔE 10.86 #996350 Inverted #949494 Grayscale 

Moonstone Blue
#669caf  rgb(102, 156, 175)  hsl(196, 31%, 54%)  Moonstone Blue
#af7966  rgb(175, 121, 102)  hsl(16, 31%, 54%)  Cafe au Lait
#af669c  rgb(175, 102, 156)  hsl(316, 31%, 54%)  Sky Magenta
#9caf66  rgb(156, 175, 102)  hsl(76, 31%, 54%)  Olivine