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#371CF1

#371cf1 ≈ Ultramarine

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#371cf1 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 94.51% blue; printed in CMYK it uses 77.18% cyan, 88.38% magenta, 0% yellow and 5.49% black. Its hue angle is 247.61°, with 88.38% saturation and 52.75% 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 8.08:1 (WCAG AAA). The closest named color is Ultramarine (#3f00ff), ΔE 1.98.

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 luminance0.0799

Complementary

  1. #371cf1
  2. #d6f11c

Split complementary

  1. #371cf1
  2. #f1a21c
  3. #6cf11c

Analogous

  1. #1c6cf1
  2. #371cf1
  3. #a21cf1

Triadic

  1. #371cf1
  2. #f1371c
  3. #1cf137

Tetradic

  1. #371cf1
  2. #f11cd6
  3. #d6f11c
  4. #1cf137

Square

  1. #371cf1
  2. #f11c6c
  3. #d6f11c
  4. #1cf1a2

Monochromatic

  1. #14076d
  2. #210bb5
  3. #371cf1
  4. #7764f5
  5. #b6acfa

Shades

#371cf1 mixed progressively with black.

  1. #371cf1
  2. #3219d9
  3. #2c16c1
  4. #2714a9
  5. #211191
  6. #1c0e79
  7. #160b60
  8. #110848
  9. #0b0630
  10. #060318
  11. #000000

Tints

#371cf1 mixed progressively with white.

  1. #371cf1
  2. #4b33f2
  3. #5f49f4
  4. #7360f5
  5. #8777f7
  6. #9b8ef8
  7. #afa4f9
  8. #c3bbfb
  9. #d7d2fc
  10. #ebe8fe
  11. #ffffff

Tones

#371cf1 mixed progressively with gray.

  1. #371cf1
  2. #3e26e6
  3. #4630da
  4. #4d3acf
  5. #5444c4
  6. #5c4eb9
  7. #6358ad
  8. #6a62a2
  9. #716c97
  10. #79768b
  11. #808080

Readable text 8.08:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.6:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #505050 ≈ 0.003% of males
Achromatomaly #4741aa ≈ 0.001% of males
Protanopia #0059f6 ≈ 1.01% of males
Deuteranopia #0045ee ≈ 1.27% of males
Tritanopia #00688f ≈ 0.0001% of males
Protanomaly #0048f4 ≈ 1.08% of males
Deuteranomaly #0039ef ≈ 4.63% of males
Tritanomaly #0053be ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-371cf1 {
  color: #371cf1;
}
Background
.bg-371cf1 {
  background-color: #371cf1;
  color: #ffffff;
}
Border
.border-371cf1 {
  border: 2px solid #371cf1;
}
CSS variables
:root {
  --color-primary: #371cf1;
  --color-primary-rgb: 55 28 241;
  --color-primary-hsl: 248 88% 53%;
}
Gradient
.gradient-371cf1 {
  background: linear-gradient(135deg, #371cf1, #a21cf1);
}
Colored shadow
.shadow-371cf1 {
  box-shadow: 0 8px 24px rgb(55 28 241 / 0.35);
}

#3f00ff Ultramarine ΔE 1.98 #0000ff Blue ΔE 2.39 #5218fa Han Purple ΔE 2.70 #6f00ff Electric Indigo ΔE 5.75 #0000cd Medium Blue ΔE 7.00 #1c39bb Persian Blue ΔE 8.56 #4f42b5 Ocean Blue ΔE 9.28 #c8e30e Inverted #505050 Grayscale 

Ultramarine
#371cf1  rgb(55, 28, 241)  hsl(248, 88%, 53%)  Ultramarine
#d6f11c  rgb(214, 241, 28)  hsl(68, 88%, 53%)  Chartreuse Yellow
#f1371c  rgb(241, 55, 28)  hsl(8, 88%, 53%)  Candy Apple Red
#1cf137  rgb(28, 241, 55)  hsl(128, 88%, 53%)  Lime