#B31D5E#B31D5E

#B31D5E is a mid, vivid pink. Relative luminance 0.113; OKLCH L 50.8% C 0.188 H 1.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B31D5E
RGB	rgb(179, 29, 94)
HSL	hsl(334, 72%, 41%)
HSV	hsv(334, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 47.5%, 29.8%)
CIE-LAB	lab(40.04, 60.98, 1.65)
CIE-LCH	lch(40.04, 61.00, 1.55°)
OKLab	oklab(50.77% 0.1874 0.0049)
OKLCH	oklch(50.77% 0.188 1.5)
XYZ	xyz(21.0520, 11.2735, 11.6550)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D5E #1DB372

analogous

#B31DA9 #B31D5E #B3271D

triadic

#B31D5E #5EB31D #1D5EB3

tetradic

#B31D5E #A9B31D #1DB372 #271DB3

square

#B31D5E #A9B31D #1DB372 #271DB3

split-complementary

#B31D5E #1DB327 #1DA9B3

monochromatic

#4A0C27 #7E1442 #B31D5E #DD307B #E6649D

Accessibility & contrast

On white

6.45

#B31D5E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B31D5E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D5E

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D5E	#FFFFFF	#000000	##FFFFFF
##B31D5E	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444C5F

Deuteranopia (green-blind)

#6C685B

Tritanopia (blue-blind)

#C3003C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31d5e;
/* rgb */ color: rgb(179, 29, 94);
/* oklch */ color: oklch(50.8% 0.188 1.5);

Tailwind

colors: {
  custom: {
    50: '#d06c8b',
    500: '#b31d5e',
    950: '#000000',
  },
}

SCSS

$custom: #b31d5e;
$custom-light: #d06c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d5e",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 94
  },
  "hsl": {
    "h": 334,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50767,
    "c": 0.1875,
    "h": 1.5
  },
  "luminance": 0.11271
}

Semantic roles & 50–950 ramp

primary

#B31D5E

secondary

#61CB9D

accent

#EFA039

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31D5E

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

Preview Lab → · Contrast checker → · Palette generator →