#B31C50#B31C50

#B31C50 is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.3% C 0.185 H 7.8°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#B31C50
RGB	rgb(179, 28, 80)
HSL	hsl(339, 73%, 41%)
HSV	hsv(339, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 55.3%, 29.8%)
CIE-LAB	lab(39.57, 60.09, 9.90)
CIE-LCH	lch(39.57, 60.90, 9.35°)
OKLab	oklab(50.3% 0.1831 0.0252)
OKLCH	oklch(50.3% 0.185 7.8)
XYZ	xyz(20.4556, 10.9964, 8.6333)
Luminance	0.1099 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C50 #1CB37F

analogous

#B31C9B #B31C50 #B3341C

triadic

#B31C50 #50B31C #1C50B3

tetradic

#B31C50 #9BB31C #1CB37F #341CB3

square

#B31C50 #9BB31C #1CB37F #341CB3

split-complementary

#B31C50 #1CB334 #1C9BB3

monochromatic

#490B21 #7E1438 #B31C50 #DE2E6B #E76390

Accessibility & contrast

On white

6.57

#B31C50 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B31C50 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C50

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C50	#FFFFFF	#000000	##FFFFFF
##B31C50	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484A51

Deuteranopia (green-blind)

#6E684C

Tritanopia (blue-blind)

#C40034

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31c50;
/* rgb */ color: rgb(179, 28, 80);
/* oklch */ color: oklch(50.3% 0.185 7.8);

Tailwind

colors: {
  custom: {
    50: '#d16b80',
    500: '#b31c50',
    950: '#000000',
  },
}

SCSS

$custom: #b31c50;
$custom-light: #d16b80;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c50",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 80
  },
  "hsl": {
    "h": 339.338,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50303,
    "c": 0.18485,
    "h": 7.8
  },
  "luminance": 0.10993
}

Semantic roles & 50–950 ramp

primary

#B31C50

secondary

#5FCBA6

accent

#F0B038

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31C50

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →