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#371CF7

#371cf7 ≈ Ultramarine

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#371cf7 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 96.86% blue; printed in CMYK it uses 77.73% cyan, 88.66% magenta, 0% yellow and 3.14% black. Its hue angle is 247.4°, with 93.19% saturation and 53.92% 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 7.86:1 (WCAG AAA). The closest named color is Ultramarine (#3f00ff), ΔE 1.68.

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 luminance0.0836

Complementary

  1. #371cf7
  2. #dcf71c

Split complementary

  1. #371cf7
  2. #f7a51c
  3. #6ef71c

Analogous

  1. #1c6ef7
  2. #371cf7
  3. #a51cf7

Triadic

  1. #371cf7
  2. #f7371c
  3. #1cf737

Tetradic

  1. #371cf7
  2. #f71cdc
  3. #dcf71c
  4. #1cf737

Square

  1. #371cf7
  2. #f71c6e
  3. #dcf71c
  4. #1cf7a5

Monochromatic

  1. #120476
  2. #1e07c0
  3. #371cf7
  4. #7866fa
  5. #b9b0fc

Shades

#371cf7 mixed progressively with black.

  1. #371cf7
  2. #3219de
  3. #2c16c6
  4. #2714ad
  5. #211194
  6. #1c0e7c
  7. #160b63
  8. #11084a
  9. #0b0631
  10. #060319
  11. #000000

Tints

#371cf7 mixed progressively with white.

  1. #371cf7
  2. #4b33f8
  3. #5f49f9
  4. #7360f9
  5. #8777fa
  6. #9b8efb
  7. #afa4fc
  8. #c3bbfd
  9. #d7d2fd
  10. #ebe8fe
  11. #ffffff

Tones

#371cf7 mixed progressively with gray.

  1. #371cf7
  2. #3e26eb
  3. #4630df
  4. #4d3ad3
  5. #5444c7
  6. #5c4ebc
  7. #6358b0
  8. #6a62a4
  9. #716c98
  10. #79768c
  11. #808080

Readable text 7.86:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.67:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #525252 ≈ 0.003% of males
Achromatomaly #4842ae ≈ 0.001% of males
Protanopia #005bfc ≈ 1.01% of males
Deuteranopia #0047f4 ≈ 1.27% of males
Tritanopia #006a93 ≈ 0.0001% of males
Protanomaly #004afa ≈ 1.08% of males
Deuteranomaly #003af5 ≈ 4.63% of males
Tritanomaly #0055c3 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-371cf7 {
  color: #371cf7;
}
Background
.bg-371cf7 {
  background-color: #371cf7;
  color: #ffffff;
}
Border
.border-371cf7 {
  border: 2px solid #371cf7;
}
CSS variables
:root {
  --color-primary: #371cf7;
  --color-primary-rgb: 55 28 247;
  --color-primary-hsl: 247 93% 54%;
}
Gradient
.gradient-371cf7 {
  background: linear-gradient(135deg, #371cf7, #a51cf7);
}
Colored shadow
.shadow-371cf7 {
  box-shadow: 0 8px 24px rgb(55 28 247 / 0.35);
}

#3f00ff Ultramarine ΔE 1.68 #5218fa Han Purple ΔE 2.24 #0000ff Blue ΔE 2.51 #6f00ff Electric Indigo ΔE 5.34 #0000cd Medium Blue ΔE 7.68 #1c39bb Persian Blue ΔE 8.99 #4f42b5 Ocean Blue ΔE 9.57 #c8e308 Inverted #525252 Grayscale 

Ultramarine
#371cf7  rgb(55, 28, 247)  hsl(247, 93%, 54%)  Ultramarine
#dcf71c  rgb(220, 247, 28)  hsl(67, 93%, 54%)  Chartreuse Yellow
#f7371c  rgb(247, 55, 28)  hsl(7, 93%, 54%)  Scarlet
#1cf737  rgb(28, 247, 55)  hsl(127, 93%, 54%)  Lime