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#331CFB

#331cfb ≈ Ultramarine

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#331cfb is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 20% red, 10.98% green and 98.43% blue; printed in CMYK it uses 79.68% cyan, 88.84% magenta, 0% yellow and 1.57% black. Its hue angle is 246.19°, with 96.54% saturation and 54.71% 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 7.78:1 (WCAG AAA). The closest named color is Ultramarine (#3f00ff), ΔE 1.7.

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 luminance0.085

Complementary

  1. #331cfb
  2. #e4fb1c

Split complementary

  1. #331cfb
  2. #fba31c
  3. #75fb1c

Analogous

  1. #1c75fb
  2. #331cfb
  3. #a31cfb

Triadic

  1. #331cfb
  2. #fb331c
  3. #1cfb33

Tetradic

  1. #331cfb
  2. #fb1ce4
  3. #e4fb1c
  4. #1cfb33

Square

  1. #331cfb
  2. #fb1c75
  3. #e4fb1c
  4. #1cfba3

Monochromatic

  1. #0f027c
  2. #1804c7
  3. #331cfb
  4. #7767fc
  5. #bab2fe

Shades

#331cfb mixed progressively with black.

  1. #331cfb
  2. #2e19e2
  3. #2916c9
  4. #2414b0
  5. #1f1197
  6. #1a0e7e
  7. #140b64
  8. #0f084b
  9. #0a0632
  10. #050319
  11. #000000

Tints

#331cfb mixed progressively with white.

  1. #331cfb
  2. #4733fb
  3. #5c49fc
  4. #7060fc
  5. #8577fd
  6. #998efd
  7. #ada4fd
  8. #c2bbfe
  9. #d6d2fe
  10. #ebe8ff
  11. #ffffff

Tones

#331cfb mixed progressively with gray.

  1. #331cfb
  2. #3b26ef
  3. #4230e2
  4. #4a3ad6
  5. #5244ca
  6. #5a4ebe
  7. #6158b1
  8. #6962a5
  9. #716c99
  10. #78768c
  11. #808080

Readable text 7.78:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.7:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #525252 ≈ 0.003% of males
Achromatomaly #4843b0 ≈ 0.001% of males
Protanopia #005dff ≈ 1.01% of males
Deuteranopia #0047f8 ≈ 1.27% of males
Tritanopia #006c95 ≈ 0.0001% of males
Protanomaly #004bfe ≈ 1.08% of males
Deuteranomaly #003af9 ≈ 4.63% of males
Tritanomaly #0057c6 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-331cfb {
  color: #331cfb;
}
Background
.bg-331cfb {
  background-color: #331cfb;
  color: #ffffff;
}
Border
.border-331cfb {
  border: 2px solid #331cfb;
}
CSS variables
:root {
  --color-primary: #331cfb;
  --color-primary-rgb: 51 28 251;
  --color-primary-hsl: 246 97% 55%;
}
Gradient
.gradient-331cfb {
  background: linear-gradient(135deg, #331cfb, #a31cfb);
}
Colored shadow
.shadow-331cfb {
  box-shadow: 0 8px 24px rgb(51 28 251 / 0.35);
}

#3f00ff Ultramarine ΔE 1.70 #5218fa Han Purple ΔE 2.26 #0000ff Blue ΔE 2.52 #6f00ff Electric Indigo ΔE 5.34 #0000cd Medium Blue ΔE 7.98 #1c39bb Persian Blue ΔE 9.18 #8f00ff Electric Violet ΔE 9.64 #cce304 Inverted #525252 Grayscale 

Ultramarine
#331cfb  rgb(51, 28, 251)  hsl(246, 97%, 55%)  Ultramarine
#e4fb1c  rgb(228, 251, 28)  hsl(66, 97%, 55%)  Lemon Lime
#fb331c  rgb(251, 51, 28)  hsl(6, 97%, 55%)  Scarlet
#1cfb33  rgb(28, 251, 51)  hsl(126, 97%, 55%)  Lime