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#577EE5

#577ee5 ≈ Glaucous

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#577ee5 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 34.12% red, 49.41% green and 89.8% blue; printed in CMYK it uses 62.01% cyan, 44.98% magenta, 0% yellow and 10.2% black. Its hue angle is 223.52°, with 73.2% saturation and 61.96% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and brand accents. Black text on this color reaches a contrast ratio of 5.52:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 5.25.

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 luminance0.2261

Complementary

  1. #577ee5
  2. #e5be57

Split complementary

  1. #577ee5
  2. #e57757
  3. #c5e557

Analogous

  1. #57c5e5
  2. #577ee5
  3. #7757e5

Triadic

  1. #577ee5
  2. #e5577e
  3. #7ee557

Tetradic

  1. #577ee5
  2. #be57e5
  3. #e5be57
  4. #7ee557

Square

  1. #577ee5
  2. #e557c5
  3. #e5be57
  4. #57e577

Monochromatic

  1. #16378d
  2. #2050cf
  3. #577ee5
  4. #99b1ef
  5. #dbe4fa

Shades

#577ee5 mixed progressively with black.

  1. #577ee5
  2. #4e71ce
  3. #4665b7
  4. #3d58a0
  5. #344c89
  6. #2c3f73
  7. #23325c
  8. #1a2645
  9. #11192e
  10. #090d17
  11. #000000

Tints

#577ee5 mixed progressively with white.

  1. #577ee5
  2. #688be8
  3. #7998ea
  4. #89a5ed
  5. #9ab2ef
  6. #abbff2
  7. #bccbf5
  8. #cdd8f7
  9. #dde5fa
  10. #eef2fc
  11. #ffffff

Tones

#577ee5 mixed progressively with gray.

  1. #577ee5
  2. #5b7edb
  3. #5f7ed1
  4. #637fc7
  5. #677fbd
  6. #6c7fb3
  7. #707fa8
  8. #747f9e
  9. #788094
  10. #7c808a
  11. #808080

Readable text 3.8:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.52:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #838383 ≈ 0.003% of males
Achromatomaly #7481b3 ≈ 0.001% of males
Protanopia #4d8ae9 ≈ 1.01% of males
Deuteranopia #357de3 ≈ 1.27% of males
Tritanopia #0095a6 ≈ 0.0001% of males
Protanomaly #5185e7 ≈ 1.08% of males
Deuteranomaly #457de4 ≈ 4.63% of males
Tritanomaly #228dc3 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577ee5 {
  color: #577ee5;
}
Background
.bg-577ee5 {
  background-color: #577ee5;
  color: #000000;
}
Border
.border-577ee5 {
  border: 2px solid #577ee5;
}
CSS variables
:root {
  --color-primary: #577ee5;
  --color-primary-rgb: 87 126 229;
  --color-primary-hsl: 224 73% 62%;
}
Gradient
.gradient-577ee5 {
  background: linear-gradient(135deg, #577ee5, #7757e5);
}
Colored shadow
.shadow-577ee5 {
  box-shadow: 0 8px 24px rgb(87 126 229 / 0.35);
}

#6082b6 Glaucous ΔE 5.25 #0070ff Brandeis Blue ΔE 6.02 #417dc1 Tufts Blue ΔE 6.38 #5b92e5 United Nations Blue ΔE 6.81 #4169e1 Royal Blue ΔE 7.29 #6495ed Cornflower Blue ΔE 7.36 #4682b4 Steel Blue ΔE 7.88 #a8811a Inverted #838383 Grayscale 

Glaucous
#577ee5  rgb(87, 126, 229)  hsl(224, 73%, 62%)  Glaucous
#e5be57  rgb(229, 190, 87)  hsl(44, 73%, 62%)  Meat Brown
#e5577e  rgb(229, 87, 126)  hsl(344, 73%, 62%)  Blush
#7ee557  rgb(126, 229, 87)  hsl(104, 73%, 62%)  Pastel Green