#B31C53#B31C53

#B31C53 is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.4% C 0.185 H 6.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#B31C53
RGB	rgb(179, 28, 83)
HSL	hsl(338, 73%, 41%)
HSV	hsv(338, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 53.6%, 29.8%)
CIE-LAB	lab(39.65, 60.31, 8.09)
CIE-LCH	lch(39.65, 60.86, 7.64°)
OKLab	oklab(50.38% 0.1843 0.0209)
OKLCH	oklch(50.38% 0.185 6.5)
XYZ	xyz(20.5690, 11.0418, 9.2301)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C53 #1CB37C

analogous

#B31C9E #B31C53 #B3311C

triadic

#B31C53 #53B31C #1C53B3

tetradic

#B31C53 #9EB31C #1CB37C #311CB3

square

#B31C53 #9EB31C #1CB37C #311CB3

split-complementary

#B31C53 #1CB331 #1C9EB3

monochromatic

#490B22 #7E143A #B31C53 #DE2E6E #E76393

Accessibility & contrast

On white

6.55

#B31C53 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B31C53 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C53

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C53	#FFFFFF	#000000	##FFFFFF
##B31C53	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474A54

Deuteranopia (green-blind)

#6E684F

Tritanopia (blue-blind)

#C40036

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31c53;
/* rgb */ color: rgb(179, 28, 83);
/* oklch */ color: oklch(50.4% 0.185 6.5);

Tailwind

colors: {
  custom: {
    50: '#d06b83',
    500: '#b31c53',
    950: '#000000',
  },
}

SCSS

$custom: #b31c53;
$custom-light: #d06b83;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c53",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 83
  },
  "hsl": {
    "h": 338.146,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50384,
    "c": 0.18543,
    "h": 6.5
  },
  "luminance": 0.11039
}

Semantic roles & 50–950 ramp

primary

#B31C53

secondary

#5FCBA4

accent

#F0AD38

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31C53

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

Preview Lab → · Contrast checker → · Palette generator →