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#577BDB

#577bdb ≈ Glaucous

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#577bdb 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 85.88% blue; printed in CMYK it uses 60.27% cyan, 43.84% magenta, 0% yellow and 14.12% black. Its hue angle is 223.64°, with 64.71% saturation and 60% 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 5.26:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 4.69.

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 luminance0.2131

Complementary

  1. #577bdb
  2. #dbb757

Split complementary

  1. #577bdb
  2. #db7557
  3. #bddb57

Analogous

  1. #57bddb
  2. #577bdb
  3. #7557db

Triadic

  1. #577bdb
  2. #db577b
  3. #7bdb57

Tetradic

  1. #577bdb
  2. #b757db
  3. #dbb757
  4. #7bdb57

Square

  1. #577bdb
  2. #db57bd
  3. #dbb757
  4. #57db75

Monochromatic

  1. #1b367e
  2. #2851bd
  3. #577bdb
  4. #96ace9
  5. #d5def6

Shades

#577bdb mixed progressively with black.

  1. #577bdb
  2. #4e6fc5
  3. #4662af
  4. #3d5699
  5. #344a83
  6. #2c3e6e
  7. #233158
  8. #1a2542
  9. #11192c
  10. #090c16
  11. #000000

Tints

#577bdb mixed progressively with white.

  1. #577bdb
  2. #6888df
  3. #7995e2
  4. #89a3e6
  5. #9ab0e9
  6. #abbded
  7. #bccaf1
  8. #cdd7f4
  9. #dde5f8
  10. #eef2fb
  11. #ffffff

Tones

#577bdb mixed progressively with gray.

  1. #577bdb
  2. #5b7cd2
  3. #5f7cc9
  4. #637dc0
  5. #677db7
  6. #6c7eae
  7. #707ea4
  8. #747f9b
  9. #787f92
  10. #7c8089
  11. #808080

Readable text 3.99:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.26:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7f7f7f ≈ 0.003% of males
Achromatomaly #717eac ≈ 0.001% of males
Protanopia #4f86df ≈ 1.01% of males
Deuteranopia #3b7ad9 ≈ 1.27% of males
Tritanopia #0091a0 ≈ 0.0001% of males
Protanomaly #5282dd ≈ 1.08% of males
Deuteranomaly #487ada ≈ 4.63% of males
Tritanomaly #2c88bb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577bdb {
  color: #577bdb;
}
Background
.bg-577bdb {
  background-color: #577bdb;
  color: #000000;
}
Border
.border-577bdb {
  border: 2px solid #577bdb;
}
CSS variables
:root {
  --color-primary: #577bdb;
  --color-primary-rgb: 87 123 219;
  --color-primary-hsl: 224 65% 60%;
}
Gradient
.gradient-577bdb {
  background: linear-gradient(135deg, #577bdb, #7557db);
}
Colored shadow
.shadow-577bdb {
  box-shadow: 0 8px 24px rgb(87 123 219 / 0.35);
}

#6082b6 Glaucous ΔE 4.69 #417dc1 Tufts Blue ΔE 5.87 #0070ff Brandeis Blue ΔE 5.89 #4169e1 Royal Blue ΔE 6.25 #4166f5 Ultramarine Blue ΔE 7.43 #4682b4 Steel Blue ΔE 7.65 #5b92e5 United Nations Blue ΔE 7.92 #a88424 Inverted #7f7f7f Grayscale 

Glaucous
#577bdb  rgb(87, 123, 219)  hsl(224, 65%, 60%)  Glaucous
#dbb757  rgb(219, 183, 87)  hsl(44, 65%, 60%)  Metallic Gold
#db577b  rgb(219, 87, 123)  hsl(344, 65%, 60%)  Blush
#7bdb57  rgb(123, 219, 87)  hsl(104, 65%, 60%)  Pastel Green