#B31C4E#B31C4E

#B31C4E is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.3% C 0.185 H 8.8°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B31C4E
RGB	rgb(179, 28, 78)
HSL	hsl(340, 73%, 41%)
HSV	hsv(340, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 56.4%, 29.8%)
CIE-LAB	lab(39.53, 59.95, 11.10)
CIE-LCH	lch(39.53, 60.97, 10.49°)
OKLab	oklab(50.25% 0.1824 0.0281)
OKLCH	oklch(50.25% 0.185 8.8)
XYZ	xyz(20.3828, 10.9673, 8.2499)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C4E #1CB381

analogous

#B31C9A #B31C4E #B3351C

triadic

#B31C4E #4EB31C #1C4EB3

tetradic

#B31C4E #9AB31C #1CB381 #351CB3

square

#B31C4E #9AB31C #1CB381 #351CB3

split-complementary

#B31C4E #1CB335 #1C9AB3

monochromatic

#490B20 #7E1437 #B31C4E #DE2E68 #E7638E

Accessibility & contrast

On white

6.58

#B31C4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B31C4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C4E

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C4E	#FFFFFF	#000000	##FFFFFF
##B31C4E	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)

#484A4F

Deuteranopia (green-blind)

#6F684A

Tritanopia (blue-blind)

#C40033

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31c4e;
/* rgb */ color: rgb(179, 28, 78);
/* oklch */ color: oklch(50.3% 0.185 8.8);

Tailwind

colors: {
  custom: {
    50: '#d16b7f',
    500: '#b31c4e',
    950: '#000000',
  },
}

SCSS

$custom: #b31c4e;
$custom-light: #d16b7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c4e",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 78
  },
  "hsl": {
    "h": 340.132,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50251,
    "c": 0.18451,
    "h": 8.8
  },
  "luminance": 0.10964
}

Semantic roles & 50–950 ramp

primary

#B31C4E

secondary

#5FCBA8

accent

#F0B338

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31C4E

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

Preview Lab → · Contrast checker → · Palette generator →