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#637EF7

#637ef7 ≈ Brandeis Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#637ef7 is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 38.82% red, 49.41% green and 96.86% blue; printed in CMYK it uses 59.92% cyan, 48.99% magenta, 0% yellow and 3.14% black. Its hue angle is 229.05°, with 90.24% saturation and 67.84% 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 5.86:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 7.36.

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 luminance0.2429

Complementary

  1. #637ef7
  2. #f7dc63

Split complementary

  1. #637ef7
  2. #f79263
  3. #c8f763

Analogous

  1. #63c8f7
  2. #637ef7
  3. #9263f7

Triadic

  1. #637ef7
  2. #f7637e
  3. #7ef763

Tetradic

  1. #637ef7
  2. #dc63f7
  3. #f7dc63
  4. #7ef763

Square

  1. #637ef7
  2. #f763c8
  3. #f7dc63
  4. #63f792

Monochromatic

  1. #0929b8
  2. #1a42f3
  3. #637ef7
  4. #acbafb
  5. #eceffe

Shades

#637ef7 mixed progressively with black.

  1. #637ef7
  2. #5971de
  3. #4f65c6
  4. #4558ad
  5. #3b4c94
  6. #323f7c
  7. #283263
  8. #1e264a
  9. #141931
  10. #0a0d19
  11. #000000

Tints

#637ef7 mixed progressively with white.

  1. #637ef7
  2. #738bf8
  3. #8298f9
  4. #92a5f9
  5. #a1b2fa
  6. #b1bffb
  7. #c1cbfc
  8. #d0d8fd
  9. #e0e5fd
  10. #eff2fe
  11. #ffffff

Tones

#637ef7 mixed progressively with gray.

  1. #637ef7
  2. #667eeb
  3. #697edf
  4. #6c7fd3
  5. #6f7fc7
  6. #727fbc
  7. #747fb0
  8. #777fa4
  9. #7a8098
  10. #7d808c
  11. #808080

Readable text 3.58:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.86:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #878787 ≈ 0.003% of males
Achromatomaly #7a84be ≈ 0.001% of males
Protanopia #3e8efb ≈ 1.01% of males
Deuteranopia #1f81f4 ≈ 1.27% of males
Tritanopia #009aaf ≈ 0.0001% of males
Protanomaly #4f88fa ≈ 1.08% of males
Deuteranomaly #4480f5 ≈ 4.63% of males
Tritanomaly #348fd0 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-637ef7 {
  color: #637ef7;
}
Background
.bg-637ef7 {
  background-color: #637ef7;
  color: #000000;
}
Border
.border-637ef7 {
  border: 2px solid #637ef7;
}
CSS variables
:root {
  --color-primary: #637ef7;
  --color-primary-rgb: 99 126 247;
  --color-primary-hsl: 229 90% 68%;
}
Gradient
.gradient-637ef7 {
  background: linear-gradient(135deg, #637ef7, #9263f7);
}
Colored shadow
.shadow-637ef7 {
  box-shadow: 0 8px 24px rgb(99 126 247 / 0.35);
}

#0070ff Brandeis Blue ΔE 7.36 #6082b6 Glaucous ΔE 7.54 #6495ed Cornflower Blue ΔE 7.87 #5b92e5 United Nations Blue ΔE 8.00 #4166f5 Ultramarine Blue ΔE 8.19 #4169e1 Royal Blue ΔE 8.46 #7b68ee Medium Slate Blue ΔE 8.88 #9c8108 Inverted #878787 Grayscale 

Brandeis Blue
#637ef7  rgb(99, 126, 247)  hsl(229, 90%, 68%)  Brandeis Blue
#f7dc63  rgb(247, 220, 99)  hsl(49, 90%, 68%)  Naples Yellow
#f7637e  rgb(247, 99, 126)  hsl(349, 90%, 68%)  Neon Fuchsia
#7ef763  rgb(126, 247, 99)  hsl(109, 90%, 68%)  Neon Green