#B31C4D#B31C4D

#B31C4D is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.2% C 0.184 H 9.2°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B31C4D
RGB	rgb(179, 28, 77)
HSL	hsl(341, 73%, 41%)
HSV	hsv(341, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 57%, 29.8%)
CIE-LAB	lab(39.50, 59.88, 11.71)
CIE-LCH	lch(39.50, 61.01, 11.06°)
OKLab	oklab(50.23% 0.182 0.0295)
OKLCH	oklch(50.23% 0.184 9.2)
XYZ	xyz(20.3473, 10.9531, 8.0625)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C4D #1CB382

analogous

#B31C98 #B31C4D #B3371C

triadic

#B31C4D #4DB31C #1C4DB3

tetradic

#B31C4D #98B31C #1CB382 #371CB3

square

#B31C4D #98B31C #1CB382 #371CB3

split-complementary

#B31C4D #1CB337 #1C98B3

monochromatic

#490B1F #7E1436 #B31C4D #DE2E67 #E7638E

Accessibility & contrast

On white

6.58

#B31C4D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B31C4D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C4D

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C4D	#FFFFFF	#000000	##FFFFFF
##B31C4D	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484A4E

Deuteranopia (green-blind)

#6F6849

Tritanopia (blue-blind)

#C40033

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31c4d;
/* rgb */ color: rgb(179, 28, 77);
/* oklch */ color: oklch(50.2% 0.184 9.2);

Tailwind

colors: {
  custom: {
    50: '#d16b7e',
    500: '#b31c4d',
    950: '#000000',
  },
}

SCSS

$custom: #b31c4d;
$custom-light: #d16b7e;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c4d",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 77
  },
  "hsl": {
    "h": 340.53,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50226,
    "c": 0.18436,
    "h": 9.2
  },
  "luminance": 0.1095
}

Semantic roles & 50–950 ramp

primary

#B31C4D

secondary

#5FCBA8

accent

#F0B438

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#150809

muted

#837A7B

Preview Lab

Preview with #B31C4D

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

Preview Lab → · Contrast checker → · Palette generator →