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#331DFF

#331dff ≈ Ultramarine

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#331dff is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 20% red, 11.37% green and 100% blue; printed in CMYK it uses 80% cyan, 88.63% magenta, 0% yellow and 0% black. Its hue angle is 245.84°, with 100% saturation and 55.69% 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 7.61:1 (WCAG AAA). The closest named color is Ultramarine (#3f00ff), ΔE 1.86.

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 luminance0.088

Complementary

  1. #331dff
  2. #e9ff1d

Split complementary

  1. #331dff
  2. #ffa41d
  3. #78ff1d

Analogous

  1. #1d78ff
  2. #331dff
  3. #a41dff

Triadic

  1. #331dff
  2. #ff331d
  3. #1dff33

Tetradic

  1. #331dff
  2. #ff1de9
  3. #e9ff1d
  4. #1dff33

Square

  1. #331dff
  2. #ff1d78
  3. #e9ff1d
  4. #1dffa4

Monochromatic

  1. #0d0083
  2. #1400d0
  3. #331dff
  4. #786aff
  5. #bdb6ff

Shades

#331dff mixed progressively with black.

  1. #331dff
  2. #2e1ae6
  3. #2917cc
  4. #2414b3
  5. #1f1199
  6. #1a0f80
  7. #140c66
  8. #0f094d
  9. #0a0633
  10. #05031a
  11. #000000

Tints

#331dff mixed progressively with white.

  1. #331dff
  2. #4734ff
  3. #5c4aff
  4. #7061ff
  5. #8577ff
  6. #998eff
  7. #ada5ff
  8. #c2bbff
  9. #d6d2ff
  10. #ebe8ff
  11. #ffffff

Tones

#331dff mixed progressively with gray.

  1. #331dff
  2. #3b27f2
  3. #4231e6
  4. #4a3bd9
  5. #5245cc
  6. #5a4fc0
  7. #6158b3
  8. #6962a6
  9. #716c99
  10. #78768d
  11. #808080

Readable text 7.61:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.76:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #545454 ≈ 0.003% of males
Achromatomaly #4944b3 ≈ 0.001% of males
Protanopia #005eff ≈ 1.01% of males
Deuteranopia #0048fb ≈ 1.27% of males
Tritanopia #006e98 ≈ 0.0001% of males
Protanomaly #004cff ≈ 1.08% of males
Deuteranomaly #003bfd ≈ 4.63% of males
Tritanomaly #0059ca ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-331dff {
  color: #331dff;
}
Background
.bg-331dff {
  background-color: #331dff;
  color: #ffffff;
}
Border
.border-331dff {
  border: 2px solid #331dff;
}
CSS variables
:root {
  --color-primary: #331dff;
  --color-primary-rgb: 51 29 255;
  --color-primary-hsl: 246 100% 56%;
}
Gradient
.gradient-331dff {
  background: linear-gradient(135deg, #331dff, #a41dff);
}
Colored shadow
.shadow-331dff {
  box-shadow: 0 8px 24px rgb(51 29 255 / 0.35);
}

#3f00ff Ultramarine ΔE 1.86 #5218fa Han Purple ΔE 2.13 #0000ff Blue ΔE 2.88 #6f00ff Electric Indigo ΔE 5.14 #0000cd Medium Blue ΔE 8.51 #8f00ff Electric Violet ΔE 9.39 #1c39bb Persian Blue ΔE 9.47 #cce200 Inverted #545454 Grayscale 

Ultramarine
#331dff  rgb(51, 29, 255)  hsl(246, 100%, 56%)  Ultramarine
#e9ff1d  rgb(233, 255, 29)  hsl(66, 100%, 56%)  Lemon Lime
#ff331d  rgb(255, 51, 29)  hsl(6, 100%, 56%)  Scarlet
#1dff33  rgb(29, 255, 51)  hsl(126, 100%, 56%)  Lime