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#557FFB

#557ffb ≈ Brandeis Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#557ffb 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 98.43% blue; printed in CMYK it uses 66.14% cyan, 49.4% magenta, 0% yellow and 1.57% black. Its hue angle is 224.82°, with 95.4% saturation and 65.88% 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 5.82:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 6.19.

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 luminance0.2408

Complementary

  1. #557ffb
  2. #fbd155

Split complementary

  1. #557ffb
  2. #fb7e55
  3. #d2fb55

Analogous

  1. #55d2fb
  2. #557ffb
  3. #7e55fb

Triadic

  1. #557ffb
  2. #fb557f
  3. #7ffb55

Tetradic

  1. #557ffb
  2. #d155fb
  3. #fbd155
  4. #7ffb55

Square

  1. #557ffb
  2. #fb55d2
  3. #fbd155
  4. #55fb7e

Monochromatic

  1. #0430b3
  2. #0a47f9
  3. #557ffb
  4. #a0b7fd
  5. #eaf0ff

Shades

#557ffb mixed progressively with black.

  1. #557ffb
  2. #4d72e2
  3. #4466c9
  4. #3c59b0
  5. #334c97
  6. #2b407e
  7. #223364
  8. #1a264b
  9. #111932
  10. #090d19
  11. #000000

Tints

#557ffb mixed progressively with white.

  1. #557ffb
  2. #668cfb
  3. #7799fc
  4. #88a5fc
  5. #99b2fd
  6. #aabffd
  7. #bbccfd
  8. #ccd9fe
  9. #dde5fe
  10. #eef2ff
  11. #ffffff

Tones

#557ffb mixed progressively with gray.

  1. #557ffb
  2. #597fef
  3. #5e7fe2
  4. #627fd6
  5. #667fca
  6. #6b80be
  7. #6f80b1
  8. #7380a5
  9. #778099
  10. #7c808c
  11. #808080

Readable text 3.61:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.82:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #878787 ≈ 0.003% of males
Achromatomaly #7684c1 ≈ 0.001% of males
Protanopia #388fff ≈ 1.01% of males
Deuteranopia #007ff8 ≈ 1.27% of males
Tritanopia #009cb1 ≈ 0.0001% of males
Protanomaly #4589fe ≈ 1.08% of males
Deuteranomaly #347ff9 ≈ 4.63% of males
Tritanomaly #0091d3 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-557ffb {
  color: #557ffb;
}
Background
.bg-557ffb {
  background-color: #557ffb;
  color: #000000;
}
Border
.border-557ffb {
  border: 2px solid #557ffb;
}
CSS variables
:root {
  --color-primary: #557ffb;
  --color-primary-rgb: 85 127 251;
  --color-primary-hsl: 225 95% 66%;
}
Gradient
.gradient-557ffb {
  background: linear-gradient(135deg, #557ffb, #7e55fb);
}
Colored shadow
.shadow-557ffb {
  box-shadow: 0 8px 24px rgb(85 127 251 / 0.35);
}

#0070ff Brandeis Blue ΔE 6.19 #5b92e5 United Nations Blue ΔE 6.82 #6495ed Cornflower Blue ΔE 7.00 #6082b6 Glaucous ΔE 7.28 #417dc1 Tufts Blue ΔE 8.19 #4166f5 Ultramarine Blue ΔE 8.32 #4169e1 Royal Blue ΔE 8.36 #aa8004 Inverted #878787 Grayscale 

Brandeis Blue
#557ffb  rgb(85, 127, 251)  hsl(225, 95%, 66%)  Brandeis Blue
#fbd155  rgb(251, 209, 85)  hsl(45, 95%, 66%)  Mustard
#fb557f  rgb(251, 85, 127)  hsl(345, 95%, 66%)  French Rose
#7ffb55  rgb(127, 251, 85)  hsl(105, 95%, 66%)  Lawn Green