ColorTool
Log in
#577DB3

#577db3 ≈ Glaucous

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

#577db3 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 34.12% red, 49.02% green and 70.2% blue; printed in CMYK it uses 51.4% cyan, 30.17% magenta, 0% yellow and 29.8% black. Its hue angle is 215.22°, with 37.7% saturation and 52.16% 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 4.99:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 2.18.

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 luminance0.1995

Complementary

  1. #577db3
  2. #b38d57

Split complementary

  1. #577db3
  2. #b35f57
  3. #abb357

Analogous

  1. #57abb3
  2. #577db3
  3. #5f57b3

Triadic

  1. #577db3
  2. #b3577d
  3. #7db357

Tetradic

  1. #577db3
  2. #8d57b3
  3. #b38d57
  4. #7db357

Square

  1. #577db3
  2. #b357ab
  3. #b38d57
  4. #57b35f

Monochromatic

  1. #23354e
  2. #3b5982
  3. #577db3
  4. #8ca6cb
  5. #c0cfe3

Shades

#577db3 mixed progressively with black.

  1. #577db3
  2. #4e71a1
  3. #46648f
  4. #3d587d
  5. #344b6b
  6. #2c3f5a
  7. #233248
  8. #1a2636
  9. #111924
  10. #090d12
  11. #000000

Tints

#577db3 mixed progressively with white.

  1. #577db3
  2. #688abb
  3. #7997c2
  4. #89a4ca
  5. #9ab1d1
  6. #abbed9
  7. #bccbe1
  8. #cdd8e8
  9. #dde5f0
  10. #eef2f7
  11. #ffffff

Tones

#577db3 mixed progressively with gray.

  1. #577db3
  2. #5b7dae
  3. #5f7ea9
  4. #637ea4
  5. #677e9f
  6. #6c7f9a
  7. #707f94
  8. #747f8f
  9. #787f8a
  10. #7c8085
  11. #808080

Readable text 4.21:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.99:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7b7b7b ≈ 0.003% of males
Achromatomaly #6f7c95 ≈ 0.001% of males
Protanopia #6880b5 ≈ 1.01% of males
Deuteranopia #5d77b2 ≈ 1.27% of males
Tritanopia #2a8990 ≈ 0.0001% of males
Protanomaly #627fb4 ≈ 1.08% of males
Deuteranomaly #5a7ab2 ≈ 4.63% of males
Tritanomaly #41849f ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577db3 {
  color: #577db3;
}
Background
.bg-577db3 {
  background-color: #577db3;
  color: #000000;
}
Border
.border-577db3 {
  border: 2px solid #577db3;
}
CSS variables
:root {
  --color-primary: #577db3;
  --color-primary-rgb: 87 125 179;
  --color-primary-hsl: 215 38% 52%;
}
Gradient
.gradient-577db3 {
  background: linear-gradient(135deg, #577db3, #5f57b3);
}
Colored shadow
.shadow-577db3 {
  box-shadow: 0 8px 24px rgb(87 125 179 / 0.35);
}

#6082b6 Glaucous ΔE 2.18 #417dc1 Tufts Blue ΔE 3.50 #4682b4 Steel Blue ΔE 4.72 #0073cf True Blue ΔE 6.82 #5d8aa8 Air Force Blue ΔE 7.62 #436b95 Queen Blue ΔE 7.84 #0072bb French Blue ΔE 7.99 #a8824c Inverted #7b7b7b Grayscale 

Glaucous
#577db3  rgb(87, 125, 179)  hsl(215, 38%, 52%)  Glaucous
#b38d57  rgb(179, 141, 87)  hsl(35, 38%, 52%)  Camel
#b3577d  rgb(179, 87, 125)  hsl(335, 38%, 52%)  Mulberry
#7db357  rgb(125, 179, 87)  hsl(95, 38%, 52%)  Mantis