#B31C43#B31C43

#B31C43 is a mid, vivid pink. Relative luminance 0.108; OKLCH L 50.0% C 0.183 H 13.7°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#B31C43
RGB	rgb(179, 28, 67)
HSL	hsl(345, 73%, 41%)
HSV	hsv(345, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 62.6%, 29.8%)
CIE-LAB	lab(39.28, 59.22, 17.78)
CIE-LCH	lch(39.28, 61.83, 16.71°)
OKLab	oklab(49.99% 0.1781 0.0433)
OKLCH	oklch(49.99% 0.183 13.7)
XYZ	xyz(20.0209, 10.8226, 6.3439)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C43 #1CB38C

analogous

#B31C8F #B31C43 #B3401C

triadic

#B31C43 #43B31C #1C43B3

tetradic

#B31C43 #8FB31C #1CB38C #401CB3

square

#B31C43 #8FB31C #1CB38C #401CB3

split-complementary

#B31C43 #1CB340 #1C8FB3

monochromatic

#490B1B #7E142F #B31C43 #DE2E5B #E76385

Accessibility & contrast

On white

6.64

#B31C43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#B31C43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C43

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C43	#FFFFFF	#000000	##FFFFFF
##B31C43	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4943

Deuteranopia (green-blind)

#70673F

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b31c43;
/* rgb */ color: rgb(179, 28, 67);
/* oklch */ color: oklch(50.0% 0.183 13.7);

Tailwind

colors: {
  custom: {
    50: '#d16b76',
    500: '#b31c43',
    950: '#000000',
  },
}

SCSS

$custom: #b31c43;
$custom-light: #d16b76;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c43",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 67
  },
  "hsl": {
    "h": 344.503,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49991,
    "c": 0.18325,
    "h": 13.7
  },
  "luminance": 0.10819
}

Semantic roles & 50–950 ramp

primary

#B31C43

secondary

#5FCBAF

accent

#F0C038

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150808

muted

#837A7B

Preview Lab

Preview with #B31C43

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

Preview Lab → · Contrast checker → · Palette generator →