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#371CFD

#371cfd ≈ Ultramarine

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#371cfd is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 21.57% red, 10.98% green and 99.22% blue; printed in CMYK it uses 78.26% cyan, 88.93% magenta, 0% yellow and 0.78% black. Its hue angle is 247.2°, with 98.25% saturation and 55.1% 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. White text on this color reaches a contrast ratio of 7.64:1 (WCAG AAA). The closest named color is Ultramarine (#3f00ff), ΔE 1.67.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0873

Complementary

  1. #371cfd
  2. #e2fd1c

Split complementary

  1. #371cfd
  2. #fda81c
  3. #72fd1c

Analogous

  1. #1c72fd
  2. #371cfd
  3. #a81cfd

Triadic

  1. #371cfd
  2. #fd371c
  3. #1cfd37

Tetradic

  1. #371cfd
  2. #fd1ce2
  3. #e2fd1c
  4. #1cfd37

Square

  1. #371cfd
  2. #fd1c72
  3. #e2fd1c
  4. #1cfda8

Monochromatic

  1. #10017f
  2. #1a02cb
  3. #371cfd
  4. #7a68fe
  5. #bdb4fe

Shades

#371cfd mixed progressively with black.

  1. #371cfd
  2. #3219e4
  3. #2c16ca
  4. #2714b1
  5. #211198
  6. #1c0e7f
  7. #160b65
  8. #11084c
  9. #0b0633
  10. #060319
  11. #000000

Tints

#371cfd mixed progressively with white.

  1. #371cfd
  2. #4b33fd
  3. #5f49fd
  4. #7360fe
  5. #8777fe
  6. #9b8efe
  7. #afa4fe
  8. #c3bbfe
  9. #d7d2ff
  10. #ebe8ff
  11. #ffffff

Tones

#371cfd mixed progressively with gray.

  1. #371cfd
  2. #3e26f1
  3. #4630e4
  4. #4d3ad8
  5. #5444cb
  6. #5c4ebf
  7. #6358b2
  8. #6a62a6
  9. #716c99
  10. #79768d
  11. #808080

Readable text 7.64:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.75:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #535353 ≈ 0.003% of males
Achromatomaly #4a44b2 ≈ 0.001% of males
Protanopia #005eff ≈ 1.01% of males
Deuteranopia #0048fa ≈ 1.27% of males
Tritanopia #006d96 ≈ 0.0001% of males
Protanomaly #004bff ≈ 1.08% of males
Deuteranomaly #003bfb ≈ 4.63% of males
Tritanomaly #0057c8 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-371cfd {
  color: #371cfd;
}
Background
.bg-371cfd {
  background-color: #371cfd;
  color: #ffffff;
}
Border
.border-371cfd {
  border: 2px solid #371cfd;
}
CSS variables
:root {
  --color-primary: #371cfd;
  --color-primary-rgb: 55 28 253;
  --color-primary-hsl: 247 98% 55%;
}
Gradient
.gradient-371cfd {
  background: linear-gradient(135deg, #371cfd, #a81cfd);
}
Colored shadow
.shadow-371cfd {
  box-shadow: 0 8px 24px rgb(55 28 253 / 0.35);
}

#3f00ff Ultramarine ΔE 1.67 #5218fa Han Purple ΔE 1.95 #0000ff Blue ΔE 2.83 #6f00ff Electric Indigo ΔE 5.00 #0000cd Medium Blue ΔE 8.36 #8f00ff Electric Violet ΔE 9.29 #1c39bb Persian Blue ΔE 9.46 #c8e302 Inverted #535353 Grayscale 

Ultramarine
#371cfd  rgb(55, 28, 253)  hsl(247, 98%, 55%)  Ultramarine
#e2fd1c  rgb(226, 253, 28)  hsl(67, 98%, 55%)  Lemon Lime
#fd371c  rgb(253, 55, 28)  hsl(7, 98%, 55%)  Ferrari Red
#1cfd37  rgb(28, 253, 55)  hsl(127, 98%, 55%)  Lime