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#337DFD

#337dfd ≈ Brandeis Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#337dfd 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 99.22% blue; printed in CMYK it uses 79.84% cyan, 50.59% magenta, 0% yellow and 0.78% black. Its hue angle is 218.02°, with 98.06% saturation and 59.61% 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 5.49:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 4.39.

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 luminance0.2246

Complementary

  1. #337dfd
  2. #fdb333

Split complementary

  1. #337dfd
  2. #fd4e33
  3. #e2fd33

Analogous

  1. #33e2fd
  2. #337dfd
  3. #4e33fd

Triadic

  1. #337dfd
  2. #fd337d
  3. #7dfd33

Tetradic

  1. #337dfd
  2. #b333fd
  3. #fdb333
  4. #7dfd33

Square

  1. #337dfd
  2. #fd33e2
  3. #fdb333
  4. #33fd4e

Monochromatic

  1. #013896
  2. #0254e1
  3. #337dfd
  4. #7fadfe
  5. #cbdefe

Shades

#337dfd mixed progressively with black.

  1. #337dfd
  2. #2e71e4
  3. #2964ca
  4. #2458b1
  5. #1f4b98
  6. #1a3f7f
  7. #143265
  8. #0f264c
  9. #0a1933
  10. #050d19
  11. #000000

Tints

#337dfd mixed progressively with white.

  1. #337dfd
  2. #478afd
  3. #5c97fd
  4. #70a4fe
  5. #85b1fe
  6. #99befe
  7. #adcbfe
  8. #c2d8fe
  9. #d6e5ff
  10. #ebf2ff
  11. #ffffff

Tones

#337dfd mixed progressively with gray.

  1. #337dfd
  2. #3b7df1
  3. #427ee4
  4. #4a7ed8
  5. #527ecb
  6. #5a7fbf
  7. #617fb2
  8. #697fa6
  9. #717f99
  10. #78808d
  11. #808080

Readable text 3.82:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.49:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #828282 ≈ 0.003% of males
Achromatomaly #6b80c0 ≈ 0.001% of males
Protanopia #268cff ≈ 1.01% of males
Deuteranopia #007afa ≈ 1.27% of males
Tritanopia #009cb1 ≈ 0.0001% of males
Protanomaly #2c86ff ≈ 1.08% of males
Deuteranomaly #007bfb ≈ 4.63% of males
Tritanomaly #0091d4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-337dfd {
  color: #337dfd;
}
Background
.bg-337dfd {
  background-color: #337dfd;
  color: #000000;
}
Border
.border-337dfd {
  border: 2px solid #337dfd;
}
CSS variables
:root {
  --color-primary: #337dfd;
  --color-primary-rgb: 51 125 253;
  --color-primary-hsl: 218 98% 60%;
}
Gradient
.gradient-337dfd {
  background: linear-gradient(135deg, #337dfd, #4e33fd);
}
Colored shadow
.shadow-337dfd {
  box-shadow: 0 8px 24px rgb(51 125 253 / 0.35);
}

#0070ff Brandeis Blue ΔE 4.39 #417dc1 Tufts Blue ΔE 6.23 #318ce7 Bleu de France ΔE 6.63 #5b92e5 United Nations Blue ΔE 6.83 #1e90ff Dodger Blue ΔE 7.26 #6082b6 Glaucous ΔE 7.39 #4682b4 Steel Blue ΔE 7.61 #cc8202 Inverted #828282 Grayscale 

Brandeis Blue
#337dfd  rgb(51, 125, 253)  hsl(218, 98%, 60%)  Brandeis Blue
#fdb333  rgb(253, 179, 51)  hsl(38, 98%, 60%)  Pastel Orange
#fd337d  rgb(253, 51, 125)  hsl(338, 98%, 60%)  Rose
#7dfd33  rgb(125, 253, 51)  hsl(98, 98%, 60%)  Lawn Green