#B31C4C#B31C4C

#B31C4C is a mid, vivid pink. Relative luminance 0.109; OKLCH L 50.2% C 0.184 H 9.7°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#B31C4C
RGB	rgb(179, 28, 76)
HSL	hsl(341, 73%, 41%)
HSV	hsv(341, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 57.5%, 29.8%)
CIE-LAB	lab(39.48, 59.81, 12.31)
CIE-LCH	lch(39.48, 61.06, 11.63°)
OKLab	oklab(50.2% 0.1816 0.0309)
OKLCH	oklch(50.2% 0.184 9.7)
XYZ	xyz(20.3122, 10.9391, 7.8780)
Luminance	0.1094 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C4C #1CB383

analogous

#B31C97 #B31C4C #B3371C

triadic

#B31C4C #4CB31C #1C4CB3

tetradic

#B31C4C #97B31C #1CB383 #371CB3

square

#B31C4C #97B31C #1CB383 #371CB3

split-complementary

#B31C4C #1CB337 #1C97B3

monochromatic

#490B1F #7E1436 #B31C4C #DE2E66 #E7638D

Accessibility & contrast

On white

6.59

#B31C4C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B31C4C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C4C

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C4C	#FFFFFF	#000000	##FFFFFF
##B31C4C	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494A4D

Deuteranopia (green-blind)

#6F6848

Tritanopia (blue-blind)

#C40032

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31c4c;
/* rgb */ color: rgb(179, 28, 76);
/* oklch */ color: oklch(50.2% 0.184 9.7);

Tailwind

colors: {
  custom: {
    50: '#d16b7d',
    500: '#b31c4c',
    950: '#000000',
  },
}

SCSS

$custom: #b31c4c;
$custom-light: #d16b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c4c",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 76
  },
  "hsl": {
    "h": 340.927,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50201,
    "c": 0.18421,
    "h": 9.7
  },
  "luminance": 0.10936
}

Semantic roles & 50–950 ramp

primary

#B31C4C

secondary

#5FCBA9

accent

#F0B538

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#150809

muted

#837A7B

Preview Lab

Preview with #B31C4C

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

Preview Lab → · Contrast checker → · Palette generator →