ColorTool
Log in
#577EF1

#577ef1 ≈ Brandeis Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#577ef1 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 94.51% blue; printed in CMYK it uses 63.9% cyan, 47.72% magenta, 0% yellow and 5.49% black. Its hue angle is 224.81°, with 84.62% saturation and 64.31% 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 5.66:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 5.97.

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 luminance0.233

Complementary

  1. #577ef1
  2. #f1ca57

Split complementary

  1. #577ef1
  2. #f17d57
  3. #cbf157

Analogous

  1. #57cbf1
  2. #577ef1
  3. #7d57f1

Triadic

  1. #577ef1
  2. #f1577e
  3. #7ef157

Tetradic

  1. #577ef1
  2. #ca57f1
  3. #f1ca57
  4. #7ef157

Square

  1. #577ef1
  2. #f157cb
  3. #f1ca57
  4. #57f17d

Monochromatic

  1. #0d33a2
  2. #1349e8
  3. #577ef1
  4. #9eb4f7
  5. #e4eafd

Shades

#577ef1 mixed progressively with black.

  1. #577ef1
  2. #4e71d9
  3. #4665c1
  4. #3d58a9
  5. #344c91
  6. #2c3f79
  7. #233260
  8. #1a2648
  9. #111930
  10. #090d18
  11. #000000

Tints

#577ef1 mixed progressively with white.

  1. #577ef1
  2. #688bf2
  3. #7998f4
  4. #89a5f5
  5. #9ab2f7
  6. #abbff8
  7. #bccbf9
  8. #cdd8fb
  9. #dde5fc
  10. #eef2fe
  11. #ffffff

Tones

#577ef1 mixed progressively with gray.

  1. #577ef1
  2. #5b7ee6
  3. #5f7eda
  4. #637fcf
  5. #677fc4
  6. #6c7fb9
  7. #707fad
  8. #747fa2
  9. #788097
  10. #7c808b
  11. #808080

Readable text 3.71:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.66:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #858585 ≈ 0.003% of males
Achromatomaly #7582ba ≈ 0.001% of males
Protanopia #428cf5 ≈ 1.01% of males
Deuteranopia #1f7eef ≈ 1.27% of males
Tritanopia #0099ac ≈ 0.0001% of males
Protanomaly #4b87f4 ≈ 1.08% of males
Deuteranomaly #3d7ef0 ≈ 4.63% of males
Tritanomaly #128fcb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577ef1 {
  color: #577ef1;
}
Background
.bg-577ef1 {
  background-color: #577ef1;
  color: #000000;
}
Border
.border-577ef1 {
  border: 2px solid #577ef1;
}
CSS variables
:root {
  --color-primary: #577ef1;
  --color-primary-rgb: 87 126 241;
  --color-primary-hsl: 225 85% 64%;
}
Gradient
.gradient-577ef1 {
  background: linear-gradient(135deg, #577ef1, #7d57f1);
}
Colored shadow
.shadow-577ef1 {
  box-shadow: 0 8px 24px rgb(87 126 241 / 0.35);
}

#0070ff Brandeis Blue ΔE 5.97 #6082b6 Glaucous ΔE 6.41 #5b92e5 United Nations Blue ΔE 6.96 #6495ed Cornflower Blue ΔE 7.28 #417dc1 Tufts Blue ΔE 7.49 #4169e1 Royal Blue ΔE 7.64 #4166f5 Ultramarine Blue ΔE 7.91 #a8810e Inverted #858585 Grayscale 

Brandeis Blue
#577ef1  rgb(87, 126, 241)  hsl(225, 85%, 64%)  Brandeis Blue
#f1ca57  rgb(241, 202, 87)  hsl(45, 85%, 64%)  Saffron
#f1577e  rgb(241, 87, 126)  hsl(345, 85%, 64%)  Blush
#7ef157  rgb(126, 241, 87)  hsl(105, 85%, 64%)  Lawn Green