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#577BBF

#577bbf ≈ Glaucous

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#577bbf is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 34.12% red, 48.24% green and 74.9% blue; printed in CMYK it uses 54.45% cyan, 35.6% magenta, 0% yellow and 25.1% black. Its hue angle is 219.23°, with 44.83% saturation and 54.51% 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 2.8.

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. #577bbf
  2. #bf9b57

Split complementary

  1. #577bbf
  2. #bf6757
  3. #afbf57

Analogous

  1. #57afbf
  2. #577bbf
  3. #6757bf

Triadic

  1. #577bbf
  2. #bf577b
  3. #7bbf57

Tetradic

  1. #577bbf
  2. #9b57bf
  3. #bf9b57
  4. #7bbf57

Square

  1. #577bbf
  2. #bf57af
  3. #bf9b57
  4. #57bf67

Monochromatic

  1. #22365b
  2. #385792
  3. #577bbf
  4. #8ea7d4
  5. #c6d2e9

Shades

#577bbf mixed progressively with black.

  1. #577bbf
  2. #4e6fac
  3. #466299
  4. #3d5686
  5. #344a73
  6. #2c3e60
  7. #23314c
  8. #1a2539
  9. #111926
  10. #090c13
  11. #000000

Tints

#577bbf mixed progressively with white.

  1. #577bbf
  2. #6888c5
  3. #7995cc
  4. #89a3d2
  5. #9ab0d9
  6. #abbddf
  7. #bccae5
  8. #cdd7ec
  9. #dde5f2
  10. #eef2f9
  11. #ffffff

Tones

#577bbf mixed progressively with gray.

  1. #577bbf
  2. #5b7cb9
  3. #5f7cb2
  4. #637dac
  5. #677da6
  6. #6c7ea0
  7. #707e99
  8. #747f93
  9. #787f8d
  10. #7c8086
  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 #6f7b9b ≈ 0.001% of males
Protanopia #6081c2 ≈ 1.01% of males
Deuteranopia #5377be ≈ 1.27% of males
Tritanopia #1c8a94 ≈ 0.0001% of males
Protanomaly #5c7ec1 ≈ 1.08% of males
Deuteranomaly #5579be ≈ 4.63% of males
Tritanomaly #3c84a7 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577bbf {
  color: #577bbf;
}
Background
.bg-577bbf {
  background-color: #577bbf;
  color: #000000;
}
Border
.border-577bbf {
  border: 2px solid #577bbf;
}
CSS variables
:root {
  --color-primary: #577bbf;
  --color-primary-rgb: 87 123 191;
  --color-primary-hsl: 219 45% 55%;
}
Gradient
.gradient-577bbf {
  background: linear-gradient(135deg, #577bbf, #6757bf);
}
Colored shadow
.shadow-577bbf {
  box-shadow: 0 8px 24px rgb(87 123 191 / 0.35);
}

#6082b6 Glaucous ΔE 2.80 #417dc1 Tufts Blue ΔE 4.21 #4682b4 Steel Blue ΔE 6.09 #0073cf True Blue ΔE 7.05 #4169e1 Royal Blue ΔE 7.10 #0070ff Brandeis Blue ΔE 7.48 #436b95 Queen Blue ΔE 8.37 #a88440 Inverted #7b7b7b Grayscale 

Glaucous
#577bbf  rgb(87, 123, 191)  hsl(219, 45%, 55%)  Glaucous
#bf9b57  rgb(191, 155, 87)  hsl(39, 45%, 55%)  Camel
#bf577b  rgb(191, 87, 123)  hsl(339, 45%, 55%)  Mulberry
#7bbf57  rgb(123, 191, 87)  hsl(99, 45%, 55%)  Mantis