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#577EE4

#577ee4 ≈ Glaucous

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#577ee4 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 89.41% blue; printed in CMYK it uses 61.84% cyan, 44.74% magenta, 0% yellow and 10.59% black. Its hue angle is 223.4°, with 72.31% saturation and 61.76% 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 5.51:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 5.16.

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 luminance0.2255

Complementary

  1. #577ee4
  2. #e4bd57

Split complementary

  1. #577ee4
  2. #e47657
  3. #c5e457

Analogous

  1. #57c5e4
  2. #577ee4
  3. #7657e4

Triadic

  1. #577ee4
  2. #e4577e
  3. #7ee457

Tetradic

  1. #577ee4
  2. #bd57e4
  3. #e4bd57
  4. #7ee457

Square

  1. #577ee4
  2. #e457c5
  3. #e4bd57
  4. #57e476

Monochromatic

  1. #16378c
  2. #2151cd
  3. #577ee4
  4. #99b1ef
  5. #dbe3f9

Shades

#577ee4 mixed progressively with black.

  1. #577ee4
  2. #4e71cd
  3. #4665b6
  4. #3d58a0
  5. #344c89
  6. #2c3f72
  7. #23325b
  8. #1a2644
  9. #11192e
  10. #090d17
  11. #000000

Tints

#577ee4 mixed progressively with white.

  1. #577ee4
  2. #688be7
  3. #7998e9
  4. #89a5ec
  5. #9ab2ef
  6. #abbff2
  7. #bccbf4
  8. #cdd8f7
  9. #dde5fa
  10. #eef2fc
  11. #ffffff

Tones

#577ee4 mixed progressively with gray.

  1. #577ee4
  2. #5b7eda
  3. #5f7ed0
  4. #637fc6
  5. #677fbc
  6. #6c7fb2
  7. #707fa8
  8. #747f9e
  9. #788094
  10. #7c808a
  11. #808080

Readable text 3.81:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.51:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #838383 ≈ 0.003% of males
Achromatomaly #7481b2 ≈ 0.001% of males
Protanopia #4d89e8 ≈ 1.01% of males
Deuteranopia #377de2 ≈ 1.27% of males
Tritanopia #0095a6 ≈ 0.0001% of males
Protanomaly #5185e6 ≈ 1.08% of males
Deuteranomaly #467de3 ≈ 4.63% of males
Tritanomaly #238cc2 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577ee4 {
  color: #577ee4;
}
Background
.bg-577ee4 {
  background-color: #577ee4;
  color: #000000;
}
Border
.border-577ee4 {
  border: 2px solid #577ee4;
}
CSS variables
:root {
  --color-primary: #577ee4;
  --color-primary-rgb: 87 126 228;
  --color-primary-hsl: 223 72% 62%;
}
Gradient
.gradient-577ee4 {
  background: linear-gradient(135deg, #577ee4, #7657e4);
}
Colored shadow
.shadow-577ee4 {
  box-shadow: 0 8px 24px rgb(87 126 228 / 0.35);
}

#6082b6 Glaucous ΔE 5.16 #0070ff Brandeis Blue ΔE 6.03 #417dc1 Tufts Blue ΔE 6.29 #5b92e5 United Nations Blue ΔE 6.80 #4169e1 Royal Blue ΔE 7.28 #6495ed Cornflower Blue ΔE 7.38 #4682b4 Steel Blue ΔE 7.81 #a8811b Inverted #838383 Grayscale 

Glaucous
#577ee4  rgb(87, 126, 228)  hsl(223, 72%, 62%)  Glaucous
#e4bd57  rgb(228, 189, 87)  hsl(43, 72%, 62%)  Meat Brown
#e4577e  rgb(228, 87, 126)  hsl(343, 72%, 62%)  Blush
#7ee457  rgb(126, 228, 87)  hsl(103, 72%, 62%)  Pastel Green