#B31C5F#B31C5F

#B31C5F is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.7% C 0.189 H 0.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#B31C5F
RGB	rgb(179, 28, 95)
HSL	hsl(333, 73%, 41%)
HSV	hsv(333, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 46.9%, 29.8%)
CIE-LAB	lab(39.99, 61.30, 0.95)
CIE-LCH	lch(39.99, 61.30, 0.89°)
OKLab	oklab(50.74% 0.1885 0.0031)
OKLCH	oklch(50.74% 0.189 0.9)
XYZ	xyz(21.0730, 11.2434, 11.8848)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C5F #1CB370

analogous

#B31CAB #B31C5F #B3241C

triadic

#B31C5F #5FB31C #1C5FB3

tetradic

#B31C5F #ABB31C #1CB370 #241CB3

square

#B31C5F #ABB31C #1CB370 #241CB3

split-complementary

#B31C5F #1CB324 #1CABB3

monochromatic

#490B27 #7E1443 #B31C5F #DE2E7C #E7639D

Accessibility & contrast

On white

6.47

#B31C5F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B31C5F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C5F

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C5F	#FFFFFF	#000000	##FFFFFF
##B31C5F	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444C60

Deuteranopia (green-blind)

#6C685C

Tritanopia (blue-blind)

#C3003C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31c5f;
/* rgb */ color: rgb(179, 28, 95);
/* oklch */ color: oklch(50.7% 0.189 0.9);

Tailwind

colors: {
  custom: {
    50: '#d06c8c',
    500: '#b31c5f',
    950: '#000000',
  },
}

SCSS

$custom: #b31c5f;
$custom-light: #d06c8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c5f",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 95
  },
  "hsl": {
    "h": 333.377,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5074,
    "c": 0.18855,
    "h": 0.9
  },
  "luminance": 0.1124
}

Semantic roles & 50–950 ramp

primary

#B31C5F

secondary

#5FCB9B

accent

#F09E38

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31C5F

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

Preview Lab → · Contrast checker → · Palette generator →