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#577FCB

#577fcb ≈ Glaucous

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#577fcb 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 79.61% blue; printed in CMYK it uses 57.14% cyan, 37.44% magenta, 0% yellow and 20.39% black. Its hue angle is 219.31°, with 52.73% 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 5.3:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 2.79.

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 luminance0.2152

Complementary

  1. #577fcb
  2. #cba357

Split complementary

  1. #577fcb
  2. #cb6957
  3. #b9cb57

Analogous

  1. #57b9cb
  2. #577fcb
  3. #6957cb

Triadic

  1. #577fcb
  2. #cb577f
  3. #7fcb57

Tetradic

  1. #577fcb
  2. #a357cb
  3. #cba357
  4. #7fcb57

Square

  1. #577fcb
  2. #cb57b9
  3. #cba357
  4. #57cb69

Monochromatic

  1. #203969
  2. #3259a3
  3. #577fcb
  4. #91acdd
  5. #ccd8ef

Shades

#577fcb mixed progressively with black.

  1. #577fcb
  2. #4e72b7
  3. #4666a2
  4. #3d598e
  5. #344c7a
  6. #2c4066
  7. #233351
  8. #1a263d
  9. #111929
  10. #090d14
  11. #000000

Tints

#577fcb mixed progressively with white.

  1. #577fcb
  2. #688cd0
  3. #7999d5
  4. #89a5db
  5. #9ab2e0
  6. #abbfe5
  7. #bcccea
  8. #cdd9ef
  9. #dde5f5
  10. #eef2fa
  11. #ffffff

Tones

#577fcb mixed progressively with gray.

  1. #577fcb
  2. #5b7fc4
  3. #5f7fbc
  4. #637fb5
  5. #677fad
  6. #6c80a6
  7. #70809e
  8. #748097
  9. #78808f
  10. #7c8088
  11. #808080

Readable text 3.96:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.3:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #808080 ≈ 0.003% of males
Achromatomaly #727fa3 ≈ 0.001% of males
Protanopia #5f86ce ≈ 1.01% of males
Deuteranopia #517bc9 ≈ 1.27% of males
Tritanopia #00909b ≈ 0.0001% of males
Protanomaly #5c83cd ≈ 1.08% of males
Deuteranomaly #537dca ≈ 4.63% of males
Tritanomaly #3589b0 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-577fcb {
  color: #577fcb;
}
Background
.bg-577fcb {
  background-color: #577fcb;
  color: #000000;
}
Border
.border-577fcb {
  border: 2px solid #577fcb;
}
CSS variables
:root {
  --color-primary: #577fcb;
  --color-primary-rgb: 87 127 203;
  --color-primary-hsl: 219 53% 57%;
}
Gradient
.gradient-577fcb {
  background: linear-gradient(135deg, #577fcb, #6957cb);
}
Colored shadow
.shadow-577fcb {
  box-shadow: 0 8px 24px rgb(87 127 203 / 0.35);
}

#6082b6 Glaucous ΔE 2.79 #417dc1 Tufts Blue ΔE 4.18 #4682b4 Steel Blue ΔE 5.90 #5b92e5 United Nations Blue ΔE 6.91 #0070ff Brandeis Blue ΔE 7.14 #318ce7 Bleu de France ΔE 7.35 #0073cf True Blue ΔE 7.50 #a88034 Inverted #808080 Grayscale 

Glaucous
#577fcb  rgb(87, 127, 203)  hsl(219, 53%, 57%)  Glaucous
#cba357  rgb(203, 163, 87)  hsl(39, 53%, 57%)  Indian Yellow
#cb577f  rgb(203, 87, 127)  hsl(339, 53%, 57%)  Blush
#7fcb57  rgb(127, 203, 87)  hsl(99, 53%, 57%)  Mantis