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#577BE3

#577be3 ≈ Glaucous

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#577be3 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 34.12% red, 48.24% green and 89.02% blue; printed in CMYK it uses 61.67% cyan, 45.81% magenta, 0% yellow and 10.98% black. Its hue angle is 224.57°, with 71.43% saturation and 61.57% 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 5.35:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 5.39.

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 luminance0.2174

Complementary

  1. #577be3
  2. #e3bf57

Split complementary

  1. #577be3
  2. #e37957
  3. #c1e357

Analogous

  1. #57c1e3
  2. #577be3
  3. #7957e3

Triadic

  1. #577be3
  2. #e3577b
  3. #7be357

Tetradic

  1. #577be3
  2. #bf57e3
  3. #e3bf57
  4. #7be357

Square

  1. #577be3
  2. #e357c1
  3. #e3bf57
  4. #57e379

Monochromatic

  1. #17358a
  2. #224ecc
  3. #577be3
  4. #99afee
  5. #dae2f9

Shades

#577be3 mixed progressively with black.

  1. #577be3
  2. #4e6fcc
  3. #4662b6
  4. #3d569f
  5. #344a88
  6. #2c3e72
  7. #23315b
  8. #1a2544
  9. #11192d
  10. #090c17
  11. #000000

Tints

#577be3 mixed progressively with white.

  1. #577be3
  2. #6888e6
  3. #7995e9
  4. #89a3eb
  5. #9ab0ee
  6. #abbdf1
  7. #bccaf4
  8. #cdd7f7
  9. #dde5f9
  10. #eef2fc
  11. #ffffff

Tones

#577be3 mixed progressively with gray.

  1. #577be3
  2. #5b7cd9
  3. #5f7ccf
  4. #637dc5
  5. #677dbb
  6. #6c7eb2
  7. #707ea8
  8. #747f9e
  9. #787f94
  10. #7c808a
  11. #808080

Readable text 3.93:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.35:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #808080 ≈ 0.003% of males
Achromatomaly #727eb1 ≈ 0.001% of males
Protanopia #4887e7 ≈ 1.01% of males
Deuteranopia #317ae1 ≈ 1.27% of males
Tritanopia #0093a4 ≈ 0.0001% of males
Protanomaly #4f82e5 ≈ 1.08% of males
Deuteranomaly #437be2 ≈ 4.63% of males
Tritanomaly #258ac0 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577be3 {
  color: #577be3;
}
Background
.bg-577be3 {
  background-color: #577be3;
  color: #000000;
}
Border
.border-577be3 {
  border: 2px solid #577be3;
}
CSS variables
:root {
  --color-primary: #577be3;
  --color-primary-rgb: 87 123 227;
  --color-primary-hsl: 225 71% 62%;
}
Gradient
.gradient-577be3 {
  background: linear-gradient(135deg, #577be3, #7957e3);
}
Colored shadow
.shadow-577be3 {
  box-shadow: 0 8px 24px rgb(87 123 227 / 0.35);
}

#6082b6 Glaucous ΔE 5.39 #0070ff Brandeis Blue ΔE 5.62 #4169e1 Royal Blue ΔE 6.31 #417dc1 Tufts Blue ΔE 6.52 #4166f5 Ultramarine Blue ΔE 7.14 #5b92e5 United Nations Blue ΔE 7.86 #4682b4 Steel Blue ΔE 8.15 #a8841c Inverted #808080 Grayscale 

Glaucous
#577be3  rgb(87, 123, 227)  hsl(225, 71%, 62%)  Glaucous
#e3bf57  rgb(227, 191, 87)  hsl(45, 71%, 62%)  Meat Brown
#e3577b  rgb(227, 87, 123)  hsl(345, 71%, 62%)  Blush
#7be357  rgb(123, 227, 87)  hsl(105, 71%, 62%)  Pastel Green