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#577BBB

#577bbb ≈ Glaucous

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#577bbb 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 73.33% blue; printed in CMYK it uses 53.48% cyan, 34.22% magenta, 0% yellow and 26.67% black. Its hue angle is 218.4°, with 42.37% saturation and 53.73% 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 4.96:1 (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#6666cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1978

Complementary

  1. #577bbb
  2. #bb9757

Split complementary

  1. #577bbb
  2. #bb6557
  3. #adbb57

Analogous

  1. #57adbb
  2. #577bbb
  3. #6557bb

Triadic

  1. #577bbb
  2. #bb577b
  3. #7bbb57

Tetradic

  1. #577bbb
  2. #9757bb
  3. #bb9757
  4. #7bbb57

Square

  1. #577bbb
  2. #bb57ad
  3. #bb9757
  4. #57bb65

Monochromatic

  1. #233556
  2. #39578d
  3. #577bbb
  4. #8da6d1
  5. #c4d1e7

Shades

#577bbb mixed progressively with black.

  1. #577bbb
  2. #4e6fa8
  3. #466296
  4. #3d5683
  5. #344a70
  6. #2c3e5e
  7. #23314b
  8. #1a2538
  9. #111925
  10. #090c13
  11. #000000

Tints

#577bbb mixed progressively with white.

  1. #577bbb
  2. #6888c2
  3. #7995c9
  4. #89a3cf
  5. #9ab0d6
  6. #abbddd
  7. #bccae4
  8. #cdd7eb
  9. #dde5f1
  10. #eef2f8
  11. #ffffff

Tones

#577bbb mixed progressively with gray.

  1. #577bbb
  2. #5b7cb5
  3. #5f7caf
  4. #637da9
  5. #677da3
  6. #6c7e9e
  7. #707e98
  8. #747f92
  9. #787f8c
  10. #7c8086
  11. #808080

Readable text 4.24:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.96:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7b7b7b ≈ 0.003% of males
Achromatomaly #6e7b99 ≈ 0.001% of males
Protanopia #6280be ≈ 1.01% of males
Deuteranopia #5677ba ≈ 1.27% of males
Tritanopia #228992 ≈ 0.0001% of males
Protanomaly #5e7ebd ≈ 1.08% of males
Deuteranomaly #5678ba ≈ 4.63% of males
Tritanomaly #3e84a4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577bbb {
  color: #577bbb;
}
Background
.bg-577bbb {
  background-color: #577bbb;
  color: #000000;
}
Border
.border-577bbb {
  border: 2px solid #577bbb;
}
CSS variables
:root {
  --color-primary: #577bbb;
  --color-primary-rgb: 87 123 187;
  --color-primary-hsl: 218 42% 54%;
}
Gradient
.gradient-577bbb {
  background: linear-gradient(135deg, #577bbb, #6557bb);
}
Colored shadow
.shadow-577bbb {
  box-shadow: 0 8px 24px rgb(87 123 187 / 0.35);
}

#6082b6 Glaucous ΔE 2.69 #417dc1 Tufts Blue ΔE 4.08 #4682b4 Steel Blue ΔE 5.87 #0073cf True Blue ΔE 6.96 #4169e1 Royal Blue ΔE 7.29 #0070ff Brandeis Blue ΔE 7.71 #436b95 Queen Blue ΔE 8.05 #a88444 Inverted #7b7b7b Grayscale 

Glaucous
#577bbb  rgb(87, 123, 187)  hsl(218, 42%, 54%)  Glaucous
#bb9757  rgb(187, 151, 87)  hsl(38, 42%, 54%)  Camel
#bb577b  rgb(187, 87, 123)  hsl(338, 42%, 54%)  Mulberry
#7bbb57  rgb(123, 187, 87)  hsl(98, 42%, 54%)  Mantis