ColorTool
Log in
#577FC5

#577fc5 ≈ Glaucous

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

#577fc5 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 77.25% blue; printed in CMYK it uses 55.84% cyan, 35.53% magenta, 0% yellow and 22.75% black. Its hue angle is 218.18°, with 48.67% saturation and 55.69% 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 5.25:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 2.32.

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 luminance0.2124

Complementary

  1. #577fc5
  2. #c59d57

Split complementary

  1. #577fc5
  2. #c56657
  3. #b6c557

Analogous

  1. #57b6c5
  2. #577fc5
  3. #6657c5

Triadic

  1. #577fc5
  2. #c5577f
  3. #7fc557

Tetradic

  1. #577fc5
  2. #9d57c5
  3. #c59d57
  4. #7fc557

Square

  1. #577fc5
  2. #c557b6
  3. #c59d57
  4. #57c566

Monochromatic

  1. #223961
  2. #355a9a
  3. #577fc5
  4. #90aad9
  5. #c9d6ec

Shades

#577fc5 mixed progressively with black.

  1. #577fc5
  2. #4e72b1
  3. #46669e
  4. #3d598a
  5. #344c76
  6. #2c4063
  7. #23334f
  8. #1a263b
  9. #111927
  10. #090d14
  11. #000000

Tints

#577fc5 mixed progressively with white.

  1. #577fc5
  2. #688ccb
  3. #7999d1
  4. #89a5d6
  5. #9ab2dc
  6. #abbfe2
  7. #bccce8
  8. #cdd9ee
  9. #dde5f3
  10. #eef2f9
  11. #ffffff

Tones

#577fc5 mixed progressively with gray.

  1. #577fc5
  2. #5b7fbe
  3. #5f7fb7
  4. #637fb0
  5. #677fa9
  6. #6c80a3
  7. #70809c
  8. #748095
  9. #78808e
  10. #7c8087
  11. #808080

Readable text 4:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.25:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7f7f7f ≈ 0.003% of males
Achromatomaly #717fa0 ≈ 0.001% of males
Protanopia #6385c8 ≈ 1.01% of males
Deuteranopia #557ac4 ≈ 1.27% of males
Tritanopia #0c8e99 ≈ 0.0001% of males
Protanomaly #5e82c7 ≈ 1.08% of males
Deuteranomaly #567cc4 ≈ 4.63% of males
Tritanomaly #3989ac ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577fc5 {
  color: #577fc5;
}
Background
.bg-577fc5 {
  background-color: #577fc5;
  color: #000000;
}
Border
.border-577fc5 {
  border: 2px solid #577fc5;
}
CSS variables
:root {
  --color-primary: #577fc5;
  --color-primary-rgb: 87 127 197;
  --color-primary-hsl: 218 49% 56%;
}
Gradient
.gradient-577fc5 {
  background: linear-gradient(135deg, #577fc5, #6657c5);
}
Colored shadow
.shadow-577fc5 {
  box-shadow: 0 8px 24px rgb(87 127 197 / 0.35);
}

#6082b6 Glaucous ΔE 2.32 #417dc1 Tufts Blue ΔE 3.80 #4682b4 Steel Blue ΔE 5.47 #5b92e5 United Nations Blue ΔE 7.16 #0073cf True Blue ΔE 7.27 #318ce7 Bleu de France ΔE 7.37 #0070ff Brandeis Blue ΔE 7.42 #a8803a Inverted #7f7f7f Grayscale 

Glaucous
#577fc5  rgb(87, 127, 197)  hsl(218, 49%, 56%)  Glaucous
#c59d57  rgb(197, 157, 87)  hsl(38, 49%, 56%)  Camel
#c5577f  rgb(197, 87, 127)  hsl(338, 49%, 56%)  Mulberry
#7fc557  rgb(127, 197, 87)  hsl(98, 49%, 56%)  Mantis