ColorTool
Log in
#577F9E

#577f9e ≈ Air Force Blue

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

#577f9e is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 34.12% red, 49.8% green and 61.96% blue; printed in CMYK it uses 44.94% cyan, 19.62% magenta, 0% yellow and 38.04% black. Its hue angle is 206.2°, with 28.98% saturation and 48.04% 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 4.93:1 (WCAG AA). The closest named color is Air Force Blue (#5d8aa8), ΔE 4.14.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#666699
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1967

Complementary

  1. #577f9e
  2. #9e7657

Split complementary

  1. #577f9e
  2. #9e575b
  3. #9e9a57

Analogous

  1. #579e9a
  2. #577f9e
  3. #575b9e

Triadic

  1. #577f9e
  2. #9e577f
  3. #7f9e57

Tetradic

  1. #577f9e
  2. #76579e
  3. #9e7657
  4. #7f9e57

Square

  1. #577f9e
  2. #9a579e
  3. #9e7657
  4. #5b9e57

Monochromatic

  1. #21303b
  2. #3c576d
  3. #577f9e
  4. #85a4bc
  5. #b7c9d7

Shades

#577f9e mixed progressively with black.

  1. #577f9e
  2. #4e728e
  3. #46667e
  4. #3d596f
  5. #344c5f
  6. #2c404f
  7. #23333f
  8. #1a262f
  9. #111920
  10. #090d10
  11. #000000

Tints

#577f9e mixed progressively with white.

  1. #577f9e
  2. #688ca8
  3. #7999b1
  4. #89a5bb
  5. #9ab2c5
  6. #abbfcf
  7. #bcccd8
  8. #cdd9e2
  9. #dde5ec
  10. #eef2f5
  11. #ffffff

Tones

#577f9e mixed progressively with gray.

  1. #577f9e
  2. #5b7f9b
  3. #5f7f98
  4. #637f95
  5. #677f92
  6. #6c808f
  7. #70808c
  8. #748089
  9. #788086
  10. #7c8083
  11. #808080

Readable text 4.26:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.93:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7b7b7b ≈ 0.003% of males
Achromatomaly #6e7c8a ≈ 0.001% of males
Protanopia #727f9f ≈ 1.01% of males
Deuteranopia #68779d ≈ 1.27% of males
Tritanopia #3a8789 ≈ 0.0001% of males
Protanomaly #687f9f ≈ 1.08% of males
Deuteranomaly #627a9e ≈ 4.63% of males
Tritanomaly #478492 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577f9e {
  color: #577f9e;
}
Background
.bg-577f9e {
  background-color: #577f9e;
  color: #000000;
}
Border
.border-577f9e {
  border: 2px solid #577f9e;
}
CSS variables
:root {
  --color-primary: #577f9e;
  --color-primary-rgb: 87 127 158;
  --color-primary-hsl: 206 29% 48%;
}
Gradient
.gradient-577f9e {
  background: linear-gradient(135deg, #577f9e, #575b9e);
}
Colored shadow
.shadow-577f9e {
  box-shadow: 0 8px 24px rgb(87 127 158 / 0.35);
}

#5d8aa8 Air Force Blue ΔE 4.14 #4682b4 Steel Blue ΔE 4.32 #417dc1 Tufts Blue ΔE 5.90 #6082b6 Glaucous ΔE 6.02 #708090 Slate Gray ΔE 6.70 #708090 Slate Grey ΔE 6.70 #007ba7 Cerulean ΔE 7.41 #a88061 Inverted #7b7b7b Grayscale 

Air Force Blue
#577f9e  rgb(87, 127, 158)  hsl(206, 29%, 48%)  Air Force Blue
#9e7657  rgb(158, 118, 87)  hsl(26, 29%, 48%)  Cafe au Lait
#9e577f  rgb(158, 87, 127)  hsl(326, 29%, 48%)  Twilight Lavender
#7f9e57  rgb(127, 158, 87)  hsl(86, 29%, 48%)  Moss Green