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#577BB2

#577bb2 ≈ Glaucous

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#577bb2 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 34.12% red, 48.24% green and 69.8% blue; printed in CMYK it uses 51.12% cyan, 30.9% magenta, 0% yellow and 30.2% black. Its hue angle is 216.26°, with 37.14% saturation and 51.96% 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 4.88:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 2.69.

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 luminance0.1941

Complementary

  1. #577bb2
  2. #b28e57

Split complementary

  1. #577bb2
  2. #b26057
  3. #a9b257

Analogous

  1. #57a9b2
  2. #577bb2
  3. #6057b2

Triadic

  1. #577bb2
  2. #b2577b
  3. #7bb257

Tetradic

  1. #577bb2
  2. #8e57b2
  3. #b28e57
  4. #7bb257

Square

  1. #577bb2
  2. #b257a9
  3. #b28e57
  4. #57b260

Monochromatic

  1. #23344d
  2. #3b5781
  3. #577bb2
  4. #8ba4ca
  5. #c0cde2

Shades

#577bb2 mixed progressively with black.

  1. #577bb2
  2. #4e6fa0
  3. #46628e
  4. #3d567d
  5. #344a6b
  6. #2c3e59
  7. #233147
  8. #1a2535
  9. #111924
  10. #090c12
  11. #000000

Tints

#577bb2 mixed progressively with white.

  1. #577bb2
  2. #6888ba
  3. #7995c1
  4. #89a3c9
  5. #9ab0d1
  6. #abbdd9
  7. #bccae0
  8. #cdd7e8
  9. #dde5f0
  10. #eef2f7
  11. #ffffff

Tones

#577bb2 mixed progressively with gray.

  1. #577bb2
  2. #5b7cad
  3. #5f7ca8
  4. #637da3
  5. #677d9e
  6. #6c7e99
  7. #707e94
  8. #747f8f
  9. #787f8a
  10. #7c8085
  11. #808080

Readable text 4.3:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.88:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7a7a7a ≈ 0.003% of males
Achromatomaly #6e7a94 ≈ 0.001% of males
Protanopia #667fb4 ≈ 1.01% of males
Deuteranopia #5b76b1 ≈ 1.27% of males
Tritanopia #2c878f ≈ 0.0001% of males
Protanomaly #607db3 ≈ 1.08% of males
Deuteranomaly #5978b1 ≈ 4.63% of males
Tritanomaly #41829e ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577bb2 {
  color: #577bb2;
}
Background
.bg-577bb2 {
  background-color: #577bb2;
  color: #000000;
}
Border
.border-577bb2 {
  border: 2px solid #577bb2;
}
CSS variables
:root {
  --color-primary: #577bb2;
  --color-primary-rgb: 87 123 178;
  --color-primary-hsl: 216 37% 52%;
}
Gradient
.gradient-577bb2 {
  background: linear-gradient(135deg, #577bb2, #6057b2);
}
Colored shadow
.shadow-577bb2 {
  box-shadow: 0 8px 24px rgb(87 123 178 / 0.35);
}

#6082b6 Glaucous ΔE 2.69 #417dc1 Tufts Blue ΔE 3.96 #4682b4 Steel Blue ΔE 5.38 #0073cf True Blue ΔE 6.86 #436b95 Queen Blue ΔE 7.33 #4169e1 Royal Blue ΔE 7.69 #0072bb French Blue ΔE 8.00 #a8844d Inverted #7a7a7a Grayscale 

Glaucous
#577bb2  rgb(87, 123, 178)  hsl(216, 37%, 52%)  Glaucous
#b28e57  rgb(178, 142, 87)  hsl(36, 37%, 52%)  Camel
#b2577b  rgb(178, 87, 123)  hsl(336, 37%, 52%)  Mulberry
#7bb257  rgb(123, 178, 87)  hsl(96, 37%, 52%)  Mantis