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#577FC9

#577fc9 ≈ Glaucous

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#577fc9 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 78.82% blue; printed in CMYK it uses 56.72% cyan, 36.82% magenta, 0% yellow and 21.18% black. Its hue angle is 218.95°, with 51.35% saturation and 56.47% 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 5.28:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 2.62.

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 luminance0.2142

Complementary

  1. #577fc9
  2. #c9a157

Split complementary

  1. #577fc9
  2. #c96857
  3. #b8c957

Analogous

  1. #57b8c9
  2. #577fc9
  3. #6857c9

Triadic

  1. #577fc9
  2. #c9577f
  3. #7fc957

Tetradic

  1. #577fc9
  2. #a157c9
  3. #c9a157
  4. #7fc957

Square

  1. #577fc9
  2. #c957b8
  3. #c9a157
  4. #57c968

Monochromatic

  1. #213966
  2. #335aa0
  3. #577fc9
  4. #91abdc
  5. #cbd7ee

Shades

#577fc9 mixed progressively with black.

  1. #577fc9
  2. #4e72b5
  3. #4666a1
  4. #3d598d
  5. #344c79
  6. #2c4065
  7. #233350
  8. #1a263c
  9. #111928
  10. #090d14
  11. #000000

Tints

#577fc9 mixed progressively with white.

  1. #577fc9
  2. #688cce
  3. #7999d4
  4. #89a5d9
  5. #9ab2df
  6. #abbfe4
  7. #bccce9
  8. #cdd9ef
  9. #dde5f4
  10. #eef2fa
  11. #ffffff

Tones

#577fc9 mixed progressively with gray.

  1. #577fc9
  2. #5b7fc2
  3. #5f7fba
  4. #637fb3
  5. #677fac
  6. #6c80a5
  7. #70809d
  8. #748096
  9. #78808f
  10. #7c8087
  11. #808080

Readable text 3.97:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.28:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #808080 ≈ 0.003% of males
Achromatomaly #717fa2 ≈ 0.001% of males
Protanopia #6085cc ≈ 1.01% of males
Deuteranopia #527bc7 ≈ 1.27% of males
Tritanopia #008f9a ≈ 0.0001% of males
Protanomaly #5d83cb ≈ 1.08% of males
Deuteranomaly #547cc8 ≈ 4.63% of males
Tritanomaly #3689af ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-577fc9 {
  color: #577fc9;
}
Background
.bg-577fc9 {
  background-color: #577fc9;
  color: #000000;
}
Border
.border-577fc9 {
  border: 2px solid #577fc9;
}
CSS variables
:root {
  --color-primary: #577fc9;
  --color-primary-rgb: 87 127 201;
  --color-primary-hsl: 219 51% 56%;
}
Gradient
.gradient-577fc9 {
  background: linear-gradient(135deg, #577fc9, #6857c9);
}
Colored shadow
.shadow-577fc9 {
  box-shadow: 0 8px 24px rgb(87 127 201 / 0.35);
}

#6082b6 Glaucous ΔE 2.62 #417dc1 Tufts Blue ΔE 4.05 #4682b4 Steel Blue ΔE 5.76 #5b92e5 United Nations Blue ΔE 6.99 #0070ff Brandeis Blue ΔE 7.23 #318ce7 Bleu de France ΔE 7.35 #0073cf True Blue ΔE 7.42 #a88036 Inverted #808080 Grayscale 

Glaucous
#577fc9  rgb(87, 127, 201)  hsl(219, 51%, 56%)  Glaucous
#c9a157  rgb(201, 161, 87)  hsl(39, 51%, 56%)  Indian Yellow
#c9577f  rgb(201, 87, 127)  hsl(339, 51%, 56%)  Blush
#7fc957  rgb(127, 201, 87)  hsl(99, 51%, 56%)  Mantis