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#669CBB

#669cbb ≈ Moonstone Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#669cbb 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 73.33% blue; printed in CMYK it uses 45.45% cyan, 16.58% magenta, 0% yellow and 26.67% black. Its hue angle is 201.88°, with 38.46% saturation and 56.67% 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 7.04:1 (WCAG AAA). The closest named color is Moonstone Blue (#73a9c2), ΔE 4.52.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6699cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.3019

Complementary

  1. #669cbb
  2. #bb8566

Split complementary

  1. #669cbb
  2. #bb6672
  3. #bbb066

Analogous

  1. #66bbb0
  2. #669cbb
  3. #6672bb

Triadic

  1. #669cbb
  2. #bb669c
  3. #9cbb66

Tetradic

  1. #669cbb
  2. #8566bb
  3. #bb8566
  4. #9cbb66

Square

  1. #669cbb
  2. #b066bb
  3. #bb8566
  4. #72bb66

Monochromatic

  1. #2a4b5e
  2. #417593
  3. #669cbb
  4. #9bbed3
  5. #d0e1ea

Shades

#669cbb mixed progressively with black.

  1. #669cbb
  2. #5c8ca8
  3. #527d96
  4. #476d83
  5. #3d5e70
  6. #334e5e
  7. #293e4b
  8. #1f2f38
  9. #141f25
  10. #0a1013
  11. #000000

Tints

#669cbb mixed progressively with white.

  1. #669cbb
  2. #75a6c2
  3. #85b0c9
  4. #94bacf
  5. #a3c4d6
  6. #b3cedd
  7. #c2d7e4
  8. #d1e1eb
  9. #e0ebf1
  10. #f0f5f8
  11. #ffffff

Tones

#669cbb mixed progressively with gray.

  1. #669cbb
  2. #6999b5
  3. #6b96af
  4. #6e94a9
  5. #7091a3
  6. #738e9e
  7. #768b98
  8. #788892
  9. #7b868c
  10. #7d8386
  11. #808080

Readable text 2.98:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 7.04:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #959595 ≈ 0.003% of males
Achromatomaly #8598a6 ≈ 0.001% of males
Protanopia #8d9bbd ≈ 1.01% of males
Deuteranopia #8291bb ≈ 1.27% of males
Tritanopia #41a4a6 ≈ 0.0001% of males
Protanomaly #809bbc ≈ 1.08% of males
Deuteranomaly #7796bb ≈ 4.63% of males
Tritanomaly #52a1af ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-669cbb {
  color: #669cbb;
}
Background
.bg-669cbb {
  background-color: #669cbb;
  color: #000000;
}
Border
.border-669cbb {
  border: 2px solid #669cbb;
}
CSS variables
:root {
  --color-primary: #669cbb;
  --color-primary-rgb: 102 156 187;
  --color-primary-hsl: 202 38% 57%;
}
Gradient
.gradient-669cbb {
  background: linear-gradient(135deg, #669cbb, #6672bb);
}
Colored shadow
.shadow-669cbb {
  box-shadow: 0 8px 24px rgb(102 156 187 / 0.35);
}

#73a9c2 Moonstone Blue ΔE 4.52 #56a0d3 Carolina Blue ΔE 4.72 #71a6d2 Iceberg ΔE 5.24 #5d8aa8 Air Force Blue ΔE 6.03 #0095b6 Bondi Blue ΔE 8.13 #5b92e5 United Nations Blue ΔE 8.98 #6495ed Cornflower Blue ΔE 9.34 #996344 Inverted #959595 Grayscale 

Moonstone Blue
#669cbb  rgb(102, 156, 187)  hsl(202, 38%, 57%)  Moonstone Blue
#bb8566  rgb(187, 133, 102)  hsl(22, 38%, 57%)  Cafe au Lait
#bb669c  rgb(187, 102, 156)  hsl(322, 38%, 57%)  Sky Magenta
#9cbb66  rgb(156, 187, 102)  hsl(82, 38%, 57%)  Olivine