#B31C5E#B31C5E

#B31C5E is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.7% C 0.188 H 1.4°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#B31C5E
RGB	rgb(179, 28, 94)
HSL	hsl(334, 73%, 41%)
HSV	hsv(334, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 47.5%, 29.8%)
CIE-LAB	lab(39.96, 61.21, 1.54)
CIE-LCH	lch(39.96, 61.23, 1.44°)
OKLab	oklab(50.71% 0.1882 0.0046)
OKLCH	oklch(50.71% 0.188 1.4)
XYZ	xyz(21.0279, 11.2253, 11.6469)
Luminance	0.1122 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C5E #1CB371

analogous

#B31CA9 #B31C5E #B3261C

triadic

#B31C5E #5EB31C #1C5EB3

tetradic

#B31C5E #A9B31C #1CB371 #261CB3

square

#B31C5E #A9B31C #1CB371 #261CB3

split-complementary

#B31C5E #1CB326 #1CA9B3

monochromatic

#490B26 #7E1442 #B31C5E #DE2E7B #E7639C

Accessibility & contrast

On white

6.47

#B31C5E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B31C5E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C5E

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C5E	#FFFFFF	#000000	##FFFFFF
##B31C5E	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444C5F

Deuteranopia (green-blind)

#6C685B

Tritanopia (blue-blind)

#C3003B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31c5e;
/* rgb */ color: rgb(179, 28, 94);
/* oklch */ color: oklch(50.7% 0.188 1.4);

Tailwind

colors: {
  custom: {
    50: '#d06c8b',
    500: '#b31c5e',
    950: '#000000',
  },
}

SCSS

$custom: #b31c5e;
$custom-light: #d06c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c5e",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 94
  },
  "hsl": {
    "h": 333.775,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50708,
    "c": 0.18824,
    "h": 1.4
  },
  "luminance": 0.11222
}

Semantic roles & 50–950 ramp

primary

#B31C5E

secondary

#5FCB9C

accent

#F09F38

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31C5E

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

Preview Lab → · Contrast checker → · Palette generator →