#B31C58#B31C58

#B31C58 is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.5% C 0.187 H 4.2°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#B31C58
RGB	rgb(179, 28, 88)
HSL	hsl(336, 73%, 41%)
HSV	hsv(336, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 50.8%, 29.8%)
CIE-LAB	lab(39.78, 60.71, 5.10)
CIE-LCH	lch(39.78, 60.92, 4.80°)
OKLab	oklab(50.53% 0.1861 0.0136)
OKLCH	oklch(50.53% 0.187 4.2)
XYZ	xyz(20.7690, 11.1218, 10.2837)
Luminance	0.1112 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C58 #1CB377

analogous

#B31CA3 #B31C58 #B32B1C

triadic

#B31C58 #58B31C #1C58B3

tetradic

#B31C58 #A3B31C #1CB377 #2B1CB3

square

#B31C58 #A3B31C #1CB377 #2B1CB3

split-complementary

#B31C58 #1CB32B #1CA3B3

monochromatic

#490B24 #7E143E #B31C58 #DE2E74 #E76397

Accessibility & contrast

On white

6.51

#B31C58 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B31C58 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C58

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C58	#FFFFFF	#000000	##FFFFFF
##B31C58	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B59

Deuteranopia (green-blind)

#6D6854

Tritanopia (blue-blind)

#C30038

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31c58;
/* rgb */ color: rgb(179, 28, 88);
/* oklch */ color: oklch(50.5% 0.187 4.2);

Tailwind

colors: {
  custom: {
    50: '#d06c86',
    500: '#b31c58',
    950: '#000000',
  },
}

SCSS

$custom: #b31c58;
$custom-light: #d06c86;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c58",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 88
  },
  "hsl": {
    "h": 336.159,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50526,
    "c": 0.18657,
    "h": 4.2
  },
  "luminance": 0.11119
}

Semantic roles & 50–950 ramp

primary

#B31C58

secondary

#5FCBA0

accent

#F0A738

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31C58

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

Preview Lab → · Contrast checker → · Palette generator →