ColorTool
Log in
#331EF8

#331ef8 ≈ Ultramarine

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#331ef8 is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 20% red, 11.76% green and 97.25% blue; printed in CMYK it uses 79.44% cyan, 87.9% magenta, 0% yellow and 2.75% black. Its hue angle is 245.78°, with 93.97% saturation and 54.51% 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 7.83:1 (WCAG AAA). The closest named color is Ultramarine (#3f00ff), ΔE 1.9.

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 luminance0.0841

Complementary

  1. #331ef8
  2. #e3f81e

Split complementary

  1. #331ef8
  2. #f8a01e
  3. #76f81e

Analogous

  1. #1e76f8
  2. #331ef8
  3. #a01ef8

Triadic

  1. #331ef8
  2. #f8331e
  3. #1ef833

Tetradic

  1. #331ef8
  2. #f81ee3
  3. #e3f81e
  4. #1ef833

Square

  1. #331ef8
  2. #f81e76
  3. #e3f81e
  4. #1ef8a0

Monochromatic

  1. #0f0479
  2. #1806c3
  3. #331ef8
  4. #7668fa
  5. #bab2fd

Shades

#331ef8 mixed progressively with black.

  1. #331ef8
  2. #2e1bdf
  3. #2918c6
  4. #2415ae
  5. #1f1295
  6. #1a0f7c
  7. #140c63
  8. #0f094a
  9. #0a0632
  10. #050319
  11. #000000

Tints

#331ef8 mixed progressively with white.

  1. #331ef8
  2. #4735f9
  3. #5c4bf9
  4. #7062fa
  5. #8578fb
  6. #998ffc
  7. #ada5fc
  8. #c2bcfd
  9. #d6d2fe
  10. #ebe9fe
  11. #ffffff

Tones

#331ef8 mixed progressively with gray.

  1. #331ef8
  2. #3b28ec
  3. #4232e0
  4. #4a3bd4
  5. #5245c8
  6. #5a4fbc
  7. #6159b0
  8. #6963a4
  9. #716c98
  10. #78768c
  11. #808080

Readable text 7.83:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.68:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #525252 ≈ 0.003% of males
Achromatomaly #4743ae ≈ 0.001% of males
Protanopia #005cfe ≈ 1.01% of males
Deuteranopia #0047f5 ≈ 1.27% of males
Tritanopia #006b94 ≈ 0.0001% of males
Protanomaly #004bfb ≈ 1.08% of males
Deuteranomaly #003af6 ≈ 4.63% of males
Tritanomaly #0056c4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-331ef8 {
  color: #331ef8;
}
Background
.bg-331ef8 {
  background-color: #331ef8;
  color: #ffffff;
}
Border
.border-331ef8 {
  border: 2px solid #331ef8;
}
CSS variables
:root {
  --color-primary: #331ef8;
  --color-primary-rgb: 51 30 248;
  --color-primary-hsl: 246 94% 55%;
}
Gradient
.gradient-331ef8 {
  background: linear-gradient(135deg, #331ef8, #a01ef8);
}
Colored shadow
.shadow-331ef8 {
  box-shadow: 0 8px 24px rgb(51 30 248 / 0.35);
}

#3f00ff Ultramarine ΔE 1.90 #5218fa Han Purple ΔE 2.41 #0000ff Blue ΔE 2.56 #6f00ff Electric Indigo ΔE 5.52 #0000cd Medium Blue ΔE 7.78 #1c39bb Persian Blue ΔE 8.87 #4f42b5 Ocean Blue ΔE 9.54 #cce107 Inverted #525252 Grayscale 

Ultramarine
#331ef8  rgb(51, 30, 248)  hsl(246, 94%, 55%)  Ultramarine
#e3f81e  rgb(227, 248, 30)  hsl(66, 94%, 55%)  Lemon Lime
#f8331e  rgb(248, 51, 30)  hsl(6, 94%, 55%)  Candy Apple Red
#1ef833  rgb(30, 248, 51)  hsl(126, 94%, 55%)  Lime