ColorTool
Log in
#669CBC

#669cbc ≈ Carolina Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
Check contrast Explore in graph Random color

#669cbc 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 73.73% blue; printed in CMYK it uses 45.74% cyan, 17.02% magenta, 0% yellow and 26.27% black. Its hue angle is 202.33°, with 39.09% saturation and 56.86% 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 7.05:1 (WCAG AAA). The closest named color is Carolina Blue (#56a0d3), ΔE 4.42.

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 luminance0.3023

Complementary

  1. #669cbc
  2. #bc8666

Split complementary

  1. #669cbc
  2. #bc6671
  3. #bcb166

Analogous

  1. #66bcb1
  2. #669cbc
  3. #6671bc

Triadic

  1. #669cbc
  2. #bc669c
  3. #9cbc66

Tetradic

  1. #669cbc
  2. #8666bc
  3. #bc8666
  4. #9cbc66

Square

  1. #669cbc
  2. #b166bc
  3. #bc8666
  4. #71bc66

Monochromatic

  1. #2a4b5f
  2. #417594
  3. #669cbc
  4. #9bbed3
  5. #d0e1eb

Shades

#669cbc mixed progressively with black.

  1. #669cbc
  2. #5c8ca9
  3. #527d96
  4. #476d84
  5. #3d5e71
  6. #334e5e
  7. #293e4b
  8. #1f2f38
  9. #141f26
  10. #0a1013
  11. #000000

Tints

#669cbc mixed progressively with white.

  1. #669cbc
  2. #75a6c3
  3. #85b0c9
  4. #94bad0
  5. #a3c4d7
  6. #b3cede
  7. #c2d7e4
  8. #d1e1eb
  9. #e0ebf2
  10. #f0f5f8
  11. #ffffff

Tones

#669cbc mixed progressively with gray.

  1. #669cbc
  2. #6999b6
  3. #6b96b0
  4. #6e94aa
  5. #7091a4
  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 7.05:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #959595 ≈ 0.003% of males
Achromatomaly #8598a6 ≈ 0.001% of males
Protanopia #8d9bbe ≈ 1.01% of males
Deuteranopia #8191bc ≈ 1.27% of males
Tritanopia #40a4a6 ≈ 0.0001% of males
Protanomaly #7f9bbd ≈ 1.08% of males
Deuteranomaly #7796bc ≈ 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-669cbc {
  color: #669cbc;
}
Background
.bg-669cbc {
  background-color: #669cbc;
  color: #000000;
}
Border
.border-669cbc {
  border: 2px solid #669cbc;
}
CSS variables
:root {
  --color-primary: #669cbc;
  --color-primary-rgb: 102 156 188;
  --color-primary-hsl: 202 39% 57%;
}
Gradient
.gradient-669cbc {
  background: linear-gradient(135deg, #669cbc, #6671bc);
}
Colored shadow
.shadow-669cbc {
  box-shadow: 0 8px 24px rgb(102 156 188 / 0.35);
}

#56a0d3 Carolina Blue ΔE 4.42 #73a9c2 Moonstone Blue ΔE 4.69 #71a6d2 Iceberg ΔE 4.97 #5d8aa8 Air Force Blue ΔE 6.02 #0095b6 Bondi Blue ΔE 8.29 #5b92e5 United Nations Blue ΔE 8.63 #6495ed Cornflower Blue ΔE 8.99 #996343 Inverted #959595 Grayscale 

Carolina Blue
#669cbc  rgb(102, 156, 188)  hsl(202, 39%, 57%)  Carolina Blue
#bc8666  rgb(188, 134, 102)  hsl(22, 39%, 57%)  Cafe au Lait
#bc669c  rgb(188, 102, 156)  hsl(322, 39%, 57%)  Sky Magenta
#9cbc66  rgb(156, 188, 102)  hsl(82, 39%, 57%)  Olivine