#B31D53#B31D53

#B31D53 is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.4% C 0.185 H 6.6°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B31D53
RGB	rgb(179, 29, 83)
HSL	hsl(338, 72%, 41%)
HSV	hsv(338, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 53.6%, 29.8%)
CIE-LAB	lab(39.73, 60.08, 8.21)
CIE-LCH	lch(39.73, 60.64, 7.78°)
OKLab	oklab(50.44% 0.1835 0.0212)
OKLCH	oklch(50.44% 0.185 6.6)
XYZ	xyz(20.5931, 11.0900, 9.2382)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D53 #1DB37D

analogous

#B31D9E #B31D53 #B3321D

triadic

#B31D53 #53B31D #1D53B3

tetradic

#B31D53 #9EB31D #1DB37D #321DB3

square

#B31D53 #9EB31D #1DB37D #321DB3

split-complementary

#B31D53 #1DB332 #1D9EB3

monochromatic

#4A0C22 #7E143B #B31D53 #DD306E #E66493

Accessibility & contrast

On white

6.53

#B31D53 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B31D53 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D53

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D53	#FFFFFF	#000000	##FFFFFF
##B31D53	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474B54

Deuteranopia (green-blind)

#6E684F

Tritanopia (blue-blind)

#C40036

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31d53;
/* rgb */ color: rgb(179, 29, 83);
/* oklch */ color: oklch(50.4% 0.185 6.6);

Tailwind

colors: {
  custom: {
    50: '#d06c83',
    500: '#b31d53',
    950: '#000000',
  },
}

SCSS

$custom: #b31d53;
$custom-light: #d06c83;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d53",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 83
  },
  "hsl": {
    "h": 338.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50443,
    "c": 0.18472,
    "h": 6.6
  },
  "luminance": 0.11087
}

Semantic roles & 50–950 ramp

primary

#B31D53

secondary

#61CBA5

accent

#EFAD39

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15080A

muted

#837B7C

Preview Lab

Preview with #B31D53

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

Preview Lab → · Contrast checker → · Palette generator →