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#577FF4

#577ff4 ≈ Brandeis Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#577ff4 is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 34.12% red, 49.8% green and 95.69% blue; printed in CMYK it uses 64.34% cyan, 47.95% magenta, 0% yellow and 4.31% black. Its hue angle is 224.71°, 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 5.75:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 6.18.

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 luminance0.2374

Complementary

  1. #577ff4
  2. #f4cc57

Split complementary

  1. #577ff4
  2. #f47d57
  3. #cef457

Analogous

  1. #57cef4
  2. #577ff4
  3. #7d57f4

Triadic

  1. #577ff4
  2. #f4577f
  3. #7ff457

Tetradic

  1. #577ff4
  2. #cc57f4
  3. #f4cc57
  4. #7ff457

Square

  1. #577ff4
  2. #f457ce
  3. #f4cc57
  4. #57f47d

Monochromatic

  1. #0b33a7
  2. #1049ef
  3. #577ff4
  4. #9fb6f9
  5. #e7ecfd

Shades

#577ff4 mixed progressively with black.

  1. #577ff4
  2. #4e72dc
  3. #4666c3
  4. #3d59ab
  5. #344c92
  6. #2c407a
  7. #233362
  8. #1a2649
  9. #111931
  10. #090d18
  11. #000000

Tints

#577ff4 mixed progressively with white.

  1. #577ff4
  2. #688cf5
  3. #7999f6
  4. #89a5f7
  5. #9ab2f8
  6. #abbffa
  7. #bcccfb
  8. #cdd9fc
  9. #dde5fd
  10. #eef2fe
  11. #ffffff

Tones

#577ff4 mixed progressively with gray.

  1. #577ff4
  2. #5b7fe8
  3. #5f7fdd
  4. #637fd1
  5. #677fc6
  6. #6c80ba
  7. #7080ae
  8. #7480a3
  9. #788097
  10. #7c808c
  11. #808080

Readable text 3.65:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.75:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #868686 ≈ 0.003% of males
Achromatomaly #7683bc ≈ 0.001% of males
Protanopia #418df8 ≈ 1.01% of males
Deuteranopia #1c7ff2 ≈ 1.27% of males
Tritanopia #009aae ≈ 0.0001% of males
Protanomaly #4b88f7 ≈ 1.08% of males
Deuteranomaly #3c7ff3 ≈ 4.63% of males
Tritanomaly #0a90ce ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577ff4 {
  color: #577ff4;
}
Background
.bg-577ff4 {
  background-color: #577ff4;
  color: #000000;
}
Border
.border-577ff4 {
  border: 2px solid #577ff4;
}
CSS variables
:root {
  --color-primary: #577ff4;
  --color-primary-rgb: 87 127 244;
  --color-primary-hsl: 225 88% 65%;
}
Gradient
.gradient-577ff4 {
  background: linear-gradient(135deg, #577ff4, #7d57f4);
}
Colored shadow
.shadow-577ff4 {
  box-shadow: 0 8px 24px rgb(87 127 244 / 0.35);
}

#0070ff Brandeis Blue ΔE 6.18 #6082b6 Glaucous ΔE 6.65 #5b92e5 United Nations Blue ΔE 6.70 #6495ed Cornflower Blue ΔE 6.96 #417dc1 Tufts Blue ΔE 7.71 #4169e1 Royal Blue ΔE 8.06 #4166f5 Ultramarine Blue ΔE 8.24 #a8800b Inverted #868686 Grayscale 

Brandeis Blue
#577ff4  rgb(87, 127, 244)  hsl(225, 88%, 65%)  Brandeis Blue
#f4cc57  rgb(244, 204, 87)  hsl(45, 88%, 65%)  Saffron
#f4577f  rgb(244, 87, 127)  hsl(345, 88%, 65%)  Blush
#7ff457  rgb(127, 244, 87)  hsl(105, 88%, 65%)  Lawn Green