ColorTool
Log in
#557FF3

#557ff3 ≈ Brandeis Blue

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

#557ff3 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 95.29% blue; printed in CMYK it uses 65.02% cyan, 47.74% magenta, 0% yellow and 4.71% black. Its hue angle is 224.05°, with 86.81% 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 5.72:1 (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 luminance0.2358

Complementary

  1. #557ff3
  2. #f3c955

Split complementary

  1. #557ff3
  2. #f37a55
  3. #cef355

Analogous

  1. #55cef3
  2. #557ff3
  3. #7a55f3

Triadic

  1. #557ff3
  2. #f3557f
  3. #7ff355

Tetradic

  1. #557ff3
  2. #c955f3
  3. #f3c955
  4. #7ff355

Square

  1. #557ff3
  2. #f355ce
  3. #f3c955
  4. #55f37a

Monochromatic

  1. #0c34a3
  2. #114beb
  3. #557ff3
  4. #9cb5f8
  5. #e4ebfd

Shades

#557ff3 mixed progressively with black.

  1. #557ff3
  2. #4d72db
  3. #4466c2
  4. #3c59aa
  5. #334c92
  6. #2b407a
  7. #223361
  8. #1a2649
  9. #111931
  10. #090d18
  11. #000000

Tints

#557ff3 mixed progressively with white.

  1. #557ff3
  2. #668cf4
  3. #7799f5
  4. #88a5f7
  5. #99b2f8
  6. #aabff9
  7. #bbccfa
  8. #ccd9fb
  9. #dde5fd
  10. #eef2fe
  11. #ffffff

Tones

#557ff3 mixed progressively with gray.

  1. #557ff3
  2. #597fe8
  3. #5e7fdc
  4. #627fd1
  5. #667fc5
  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 5.72:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #858585 ≈ 0.003% of males
Achromatomaly #7583bc ≈ 0.001% of males
Protanopia #418df7 ≈ 1.01% of males
Deuteranopia #1c7ff1 ≈ 1.27% of males
Tritanopia #009aad ≈ 0.0001% of males
Protanomaly #4a88f6 ≈ 1.08% of males
Deuteranomaly #3b7ff2 ≈ 4.63% of males
Tritanomaly #0090cd ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-557ff3 {
  color: #557ff3;
}
Background
.bg-557ff3 {
  background-color: #557ff3;
  color: #000000;
}
Border
.border-557ff3 {
  border: 2px solid #557ff3;
}
CSS variables
:root {
  --color-primary: #557ff3;
  --color-primary-rgb: 85 127 243;
  --color-primary-hsl: 224 87% 64%;
}
Gradient
.gradient-557ff3 {
  background: linear-gradient(135deg, #557ff3, #7a55f3);
}
Colored shadow
.shadow-557ff3 {
  box-shadow: 0 8px 24px rgb(85 127 243 / 0.35);
}

#0070ff Brandeis Blue ΔE 6.01 #6082b6 Glaucous ΔE 6.51 #5b92e5 United Nations Blue ΔE 6.57 #6495ed Cornflower Blue ΔE 6.91 #417dc1 Tufts Blue ΔE 7.41 #4169e1 Royal Blue ΔE 7.98 #318ce7 Bleu de France ΔE 8.11 #aa800c Inverted #858585 Grayscale 

Brandeis Blue
#557ff3  rgb(85, 127, 243)  hsl(224, 87%, 64%)  Brandeis Blue
#f3c955  rgb(243, 201, 85)  hsl(44, 87%, 64%)  Saffron
#f3557f  rgb(243, 85, 127)  hsl(344, 87%, 64%)  French Rose
#7ff355  rgb(127, 243, 85)  hsl(104, 87%, 64%)  Lawn Green