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#669CBF

#669cbf ≈ Carolina Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#669cbf 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 74.9% blue; printed in CMYK it uses 46.6% cyan, 18.32% magenta, 0% yellow and 25.1% black. Its hue angle is 203.6°, with 41.01% saturation and 57.45% 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 7.07:1 (WCAG AAA). The closest named color is Carolina Blue (#56a0d3), ΔE 3.66.

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 luminance0.3036

Complementary

  1. #669cbf
  2. #bf8966

Split complementary

  1. #669cbf
  2. #bf666f
  3. #bfb666

Analogous

  1. #66bfb6
  2. #669cbf
  3. #666fbf

Triadic

  1. #669cbf
  2. #bf669c
  3. #9cbf66

Tetradic

  1. #669cbf
  2. #8966bf
  3. #bf8966
  4. #9cbf66

Square

  1. #669cbf
  2. #b666bf
  3. #bf8966
  4. #6fbf66

Monochromatic

  1. #294c63
  2. #407699
  3. #669cbf
  4. #9cbfd6
  5. #d2e2ec

Shades

#669cbf mixed progressively with black.

  1. #669cbf
  2. #5c8cac
  3. #527d99
  4. #476d86
  5. #3d5e73
  6. #334e60
  7. #293e4c
  8. #1f2f39
  9. #141f26
  10. #0a1013
  11. #000000

Tints

#669cbf mixed progressively with white.

  1. #669cbf
  2. #75a6c5
  3. #85b0cc
  4. #94bad2
  5. #a3c4d9
  6. #b3cedf
  7. #c2d7e5
  8. #d1e1ec
  9. #e0ebf2
  10. #f0f5f9
  11. #ffffff

Tones

#669cbf mixed progressively with gray.

  1. #669cbf
  2. #6999b9
  3. #6b96b2
  4. #6e94ac
  5. #7091a6
  6. #738ea0
  7. #768b99
  8. #788893
  9. #7b868d
  10. #7d8386
  11. #808080

Readable text 2.97:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 7.07:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #969696 ≈ 0.003% of males
Achromatomaly #8598a8 ≈ 0.001% of males
Protanopia #8c9bc1 ≈ 1.01% of males
Deuteranopia #8092be ≈ 1.27% of males
Tritanopia #3ea5a7 ≈ 0.0001% of males
Protanomaly #7f9bc0 ≈ 1.08% of males
Deuteranomaly #7796bf ≈ 4.63% of males
Tritanomaly #51a1b1 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-669cbf {
  color: #669cbf;
}
Background
.bg-669cbf {
  background-color: #669cbf;
  color: #000000;
}
Border
.border-669cbf {
  border: 2px solid #669cbf;
}
CSS variables
:root {
  --color-primary: #669cbf;
  --color-primary-rgb: 102 156 191;
  --color-primary-hsl: 204 41% 57%;
}
Gradient
.gradient-669cbf {
  background: linear-gradient(135deg, #669cbf, #666fbf);
}
Colored shadow
.shadow-669cbf {
  box-shadow: 0 8px 24px rgb(102 156 191 / 0.35);
}

#56a0d3 Carolina Blue ΔE 3.66 #71a6d2 Iceberg ΔE 4.24 #73a9c2 Moonstone Blue ΔE 5.27 #5d8aa8 Air Force Blue ΔE 6.09 #5b92e5 United Nations Blue ΔE 7.67 #6495ed Cornflower Blue ΔE 8.04 #318ce7 Bleu de France ΔE 8.69 #996340 Inverted #969696 Grayscale 

Carolina Blue
#669cbf  rgb(102, 156, 191)  hsl(204, 41%, 57%)  Carolina Blue
#bf8966  rgb(191, 137, 102)  hsl(24, 41%, 57%)  Raw Sienna
#bf669c  rgb(191, 102, 156)  hsl(324, 41%, 57%)  Sky Magenta
#9cbf66  rgb(156, 191, 102)  hsl(84, 41%, 57%)  Olivine