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#577BEE

#577bee ≈ Brandeis Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#577bee is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 34.12% red, 48.24% green and 93.33% blue; printed in CMYK it uses 63.45% cyan, 48.32% magenta, 0% yellow and 6.67% black. Its hue angle is 225.7°, with 81.62% saturation and 63.73% 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 5.47:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 5.5.

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 luminance0.2237

Complementary

  1. #577bee
  2. #eeca57

Split complementary

  1. #577bee
  2. #ee7f57
  3. #c6ee57

Analogous

  1. #57c6ee
  2. #577bee
  3. #7f57ee

Triadic

  1. #577bee
  2. #ee577b
  3. #7bee57

Tetradic

  1. #577bee
  2. #ca57ee
  3. #eeca57
  4. #7bee57

Square

  1. #577bee
  2. #ee57c6
  3. #eeca57
  4. #57ee7f

Monochromatic

  1. #10319c
  2. #1747e2
  3. #577bee
  4. #9cb2f5
  5. #e2e8fc

Shades

#577bee mixed progressively with black.

  1. #577bee
  2. #4e6fd6
  3. #4662be
  4. #3d56a7
  5. #344a8f
  6. #2c3e77
  7. #23315f
  8. #1a2547
  9. #111930
  10. #090c18
  11. #000000

Tints

#577bee mixed progressively with white.

  1. #577bee
  2. #6888f0
  3. #7995f1
  4. #89a3f3
  5. #9ab0f5
  6. #abbdf7
  7. #bccaf8
  8. #cdd7fa
  9. #dde5fc
  10. #eef2fd
  11. #ffffff

Tones

#577bee mixed progressively with gray.

  1. #577bee
  2. #5b7ce3
  3. #5f7cd8
  4. #637dcd
  5. #677dc2
  6. #6c7eb7
  7. #707eac
  8. #747fa1
  9. #787f96
  10. #7c808b
  11. #808080

Readable text 3.84:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.47:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #828282 ≈ 0.003% of males
Achromatomaly #737fb7 ≈ 0.001% of males
Protanopia #3e89f2 ≈ 1.01% of males
Deuteranopia #1a7cec ≈ 1.27% of males
Tritanopia #0096a9 ≈ 0.0001% of males
Protanomaly #4984f1 ≈ 1.08% of males
Deuteranomaly #3c7bed ≈ 4.63% of males
Tritanomaly #188cc8 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577bee {
  color: #577bee;
}
Background
.bg-577bee {
  background-color: #577bee;
  color: #000000;
}
Border
.border-577bee {
  border: 2px solid #577bee;
}
CSS variables
:root {
  --color-primary: #577bee;
  --color-primary-rgb: 87 123 238;
  --color-primary-hsl: 226 82% 64%;
}
Gradient
.gradient-577bee {
  background: linear-gradient(135deg, #577bee, #7f57ee);
}
Colored shadow
.shadow-577bee {
  box-shadow: 0 8px 24px rgb(87 123 238 / 0.35);
}

#0070ff Brandeis Blue ΔE 5.50 #6082b6 Glaucous ΔE 6.39 #4169e1 Royal Blue ΔE 6.64 #4166f5 Ultramarine Blue ΔE 6.95 #417dc1 Tufts Blue ΔE 7.47 #5b92e5 United Nations Blue ΔE 7.93 #6495ed Cornflower Blue ΔE 8.30 #a88411 Inverted #828282 Grayscale 

Brandeis Blue
#577bee  rgb(87, 123, 238)  hsl(226, 82%, 64%)  Brandeis Blue
#eeca57  rgb(238, 202, 87)  hsl(46, 82%, 64%)  Naples Yellow
#ee577b  rgb(238, 87, 123)  hsl(346, 82%, 64%)  Blush
#7bee57  rgb(123, 238, 87)  hsl(106, 82%, 64%)  Neon Green