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#577EF4

#577ef4 ≈ Brandeis Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#577ef4 is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 34.12% red, 49.41% green and 95.69% blue; printed in CMYK it uses 64.34% cyan, 48.36% magenta, 0% yellow and 4.31% black. Its hue angle is 225.1°, with 87.71% saturation and 64.9% 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 call-to-action buttons. Black text on this color reaches a contrast ratio of 5.7:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 6.01.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2348

Complementary

  1. #577ef4
  2. #f4cd57

Split complementary

  1. #577ef4
  2. #f47f57
  3. #ccf457

Analogous

  1. #57ccf4
  2. #577ef4
  3. #7f57f4

Triadic

  1. #577ef4
  2. #f4577e
  3. #7ef457

Tetradic

  1. #577ef4
  2. #cd57f4
  3. #f4cd57
  4. #7ef457

Square

  1. #577ef4
  2. #f457cc
  3. #f4cd57
  4. #57f47f

Monochromatic

  1. #0b32a7
  2. #1047ef
  3. #577ef4
  4. #9fb5f9
  5. #e7ecfd

Shades

#577ef4 mixed progressively with black.

  1. #577ef4
  2. #4e71dc
  3. #4665c3
  4. #3d58ab
  5. #344c92
  6. #2c3f7a
  7. #233262
  8. #1a2649
  9. #111931
  10. #090d18
  11. #000000

Tints

#577ef4 mixed progressively with white.

  1. #577ef4
  2. #688bf5
  3. #7998f6
  4. #89a5f7
  5. #9ab2f8
  6. #abbffa
  7. #bccbfb
  8. #cdd8fc
  9. #dde5fd
  10. #eef2fe
  11. #ffffff

Tones

#577ef4 mixed progressively with gray.

  1. #577ef4
  2. #5b7ee8
  3. #5f7edd
  4. #637fd1
  5. #677fc6
  6. #6c7fba
  7. #707fae
  8. #747fa3
  9. #788097
  10. #7c808c
  11. #808080

Readable text 3.69:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.7:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #858585 ≈ 0.003% of males
Achromatomaly #7582bc ≈ 0.001% of males
Protanopia #3e8df8 ≈ 1.01% of males
Deuteranopia #177ef2 ≈ 1.27% of males
Tritanopia #0099ad ≈ 0.0001% of males
Protanomaly #4987f7 ≈ 1.08% of males
Deuteranomaly #3b7ef3 ≈ 4.63% of males
Tritanomaly #0b8fcd ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577ef4 {
  color: #577ef4;
}
Background
.bg-577ef4 {
  background-color: #577ef4;
  color: #000000;
}
Border
.border-577ef4 {
  border: 2px solid #577ef4;
}
CSS variables
:root {
  --color-primary: #577ef4;
  --color-primary-rgb: 87 126 244;
  --color-primary-hsl: 225 88% 65%;
}
Gradient
.gradient-577ef4 {
  background: linear-gradient(135deg, #577ef4, #7f57f4);
}
Colored shadow
.shadow-577ef4 {
  box-shadow: 0 8px 24px rgb(87 126 244 / 0.35);
}

#0070ff Brandeis Blue ΔE 6.01 #6082b6 Glaucous ΔE 6.70 #5b92e5 United Nations Blue ΔE 7.04 #6495ed Cornflower Blue ΔE 7.30 #417dc1 Tufts Blue ΔE 7.77 #4169e1 Royal Blue ΔE 7.77 #4166f5 Ultramarine Blue ΔE 7.92 #a8810b Inverted #858585 Grayscale 

Brandeis Blue
#577ef4  rgb(87, 126, 244)  hsl(225, 88%, 65%)  Brandeis Blue
#f4cd57  rgb(244, 205, 87)  hsl(45, 88%, 65%)  Naples Yellow
#f4577e  rgb(244, 87, 126)  hsl(345, 88%, 65%)  Blush
#7ef457  rgb(126, 244, 87)  hsl(105, 88%, 65%)  Lawn Green