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#337DFF

#337dff ≈ Brandeis Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#337dff is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 20% red, 49.02% green and 100% blue; printed in CMYK it uses 80% cyan, 50.98% magenta, 0% yellow and 0% black. Its hue angle is 218.24°, with 100% saturation and 60% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. 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 5.52:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 4.42.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2259

Complementary

  1. #337dff
  2. #ffb533

Split complementary

  1. #337dff
  2. #ff4f33
  3. #e3ff33

Analogous

  1. #33e3ff
  2. #337dff
  3. #4f33ff

Triadic

  1. #337dff
  2. #ff337d
  3. #7dff33

Tetradic

  1. #337dff
  2. #b533ff
  3. #ffb533
  4. #7dff33

Square

  1. #337dff
  2. #ff33e3
  3. #ffb533
  4. #33ff4f

Monochromatic

  1. #003799
  2. #0053e6
  3. #337dff
  4. #80aeff
  5. #ccdeff

Shades

#337dff mixed progressively with black.

  1. #337dff
  2. #2e71e6
  3. #2964cc
  4. #2458b3
  5. #1f4b99
  6. #1a3f80
  7. #143266
  8. #0f264d
  9. #0a1933
  10. #050d1a
  11. #000000

Tints

#337dff mixed progressively with white.

  1. #337dff
  2. #478aff
  3. #5c97ff
  4. #70a4ff
  5. #85b1ff
  6. #99beff
  7. #adcbff
  8. #c2d8ff
  9. #d6e5ff
  10. #ebf2ff
  11. #ffffff

Tones

#337dff mixed progressively with gray.

  1. #337dff
  2. #3b7df2
  3. #427ee6
  4. #4a7ed9
  5. #527ecc
  6. #5a7fc0
  7. #617fb3
  8. #697fa6
  9. #717f99
  10. #78808d
  11. #808080

Readable text 3.81:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.52:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #838383 ≈ 0.003% of males
Achromatomaly #6c80c1 ≈ 0.001% of males
Protanopia #228cff ≈ 1.01% of males
Deuteranopia #007afc ≈ 1.27% of males
Tritanopia #009db2 ≈ 0.0001% of males
Protanomaly #2a87ff ≈ 1.08% of males
Deuteranomaly #007bfd ≈ 4.63% of males
Tritanomaly #0091d5 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-337dff {
  color: #337dff;
}
Background
.bg-337dff {
  background-color: #337dff;
  color: #000000;
}
Border
.border-337dff {
  border: 2px solid #337dff;
}
CSS variables
:root {
  --color-primary: #337dff;
  --color-primary-rgb: 51 125 255;
  --color-primary-hsl: 218 100% 60%;
}
Gradient
.gradient-337dff {
  background: linear-gradient(135deg, #337dff, #4f33ff);
}
Colored shadow
.shadow-337dff {
  box-shadow: 0 8px 24px rgb(51 125 255 / 0.35);
}

#0070ff Brandeis Blue ΔE 4.42 #417dc1 Tufts Blue ΔE 6.45 #318ce7 Bleu de France ΔE 6.75 #5b92e5 United Nations Blue ΔE 6.86 #1e90ff Dodger Blue ΔE 7.32 #6082b6 Glaucous ΔE 7.53 #6495ed Cornflower Blue ΔE 7.69 #cc8200 Inverted #838383 Grayscale 

Brandeis Blue
#337dff  rgb(51, 125, 255)  hsl(218, 100%, 60%)  Brandeis Blue
#ffb533  rgb(255, 181, 51)  hsl(38, 100%, 60%)  Pastel Orange
#ff337d  rgb(255, 51, 125)  hsl(338, 100%, 60%)  French Rose
#7dff33  rgb(125, 255, 51)  hsl(98, 100%, 60%)  Lawn Green