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#557FF4

#557ff4 ≈ Brandeis Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#557ff4 is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 33.33% red, 49.8% green and 95.69% blue; printed in CMYK it uses 65.16% cyan, 47.95% magenta, 0% yellow and 4.31% black. Its hue angle is 224.15°, with 87.85% saturation and 64.51% 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 5.73:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 6.02.

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 luminance0.2364

Complementary

  1. #557ff4
  2. #f4ca55

Split complementary

  1. #557ff4
  2. #f47a55
  3. #cff455

Analogous

  1. #55cff4
  2. #557ff4
  3. #7a55f4

Triadic

  1. #557ff4
  2. #f4557f
  3. #7ff455

Tetradic

  1. #557ff4
  2. #ca55f4
  3. #f4ca55
  4. #7ff455

Square

  1. #557ff4
  2. #f455cf
  3. #f4ca55
  4. #55f47a

Monochromatic

  1. #0b34a5
  2. #0f4aed
  3. #557ff4
  4. #9db5f9
  5. #e5ebfd

Shades

#557ff4 mixed progressively with black.

  1. #557ff4
  2. #4d72dc
  3. #4466c3
  4. #3c59ab
  5. #334c92
  6. #2b407a
  7. #223362
  8. #1a2649
  9. #111931
  10. #090d18
  11. #000000

Tints

#557ff4 mixed progressively with white.

  1. #557ff4
  2. #668cf5
  3. #7799f6
  4. #88a5f7
  5. #99b2f8
  6. #aabffa
  7. #bbccfb
  8. #ccd9fc
  9. #dde5fd
  10. #eef2fe
  11. #ffffff

Tones

#557ff4 mixed progressively with gray.

  1. #557ff4
  2. #597fe8
  3. #5e7fdd
  4. #627fd1
  5. #667fc6
  6. #6b80ba
  7. #6f80ae
  8. #7380a3
  9. #778097
  10. #7c808c
  11. #808080

Readable text 3.67:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.73:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #858585 ≈ 0.003% of males
Achromatomaly #7583bc ≈ 0.001% of males
Protanopia #408df8 ≈ 1.01% of males
Deuteranopia #197ff2 ≈ 1.27% of males
Tritanopia #009aae ≈ 0.0001% of males
Protanomaly #4988f7 ≈ 1.08% of males
Deuteranomaly #3a7ff3 ≈ 4.63% of males
Tritanomaly #0090ce ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-557ff4 {
  color: #557ff4;
}
Background
.bg-557ff4 {
  background-color: #557ff4;
  color: #000000;
}
Border
.border-557ff4 {
  border: 2px solid #557ff4;
}
CSS variables
:root {
  --color-primary: #557ff4;
  --color-primary-rgb: 85 127 244;
  --color-primary-hsl: 224 88% 65%;
}
Gradient
.gradient-557ff4 {
  background: linear-gradient(135deg, #557ff4, #7a55f4);
}
Colored shadow
.shadow-557ff4 {
  box-shadow: 0 8px 24px rgb(85 127 244 / 0.35);
}

#0070ff Brandeis Blue ΔE 6.02 #5b92e5 United Nations Blue ΔE 6.60 #6082b6 Glaucous ΔE 6.60 #6495ed Cornflower Blue ΔE 6.92 #417dc1 Tufts Blue ΔE 7.51 #4169e1 Royal Blue ΔE 8.02 #318ce7 Bleu de France ΔE 8.16 #aa800b Inverted #858585 Grayscale 

Brandeis Blue
#557ff4  rgb(85, 127, 244)  hsl(224, 88%, 65%)  Brandeis Blue
#f4ca55  rgb(244, 202, 85)  hsl(44, 88%, 65%)  Saffron
#f4557f  rgb(244, 85, 127)  hsl(344, 88%, 65%)  French Rose
#7ff455  rgb(127, 244, 85)  hsl(104, 88%, 65%)  Lawn Green