#B31D70#B31D70

#B31D70 is a mid, vivid pink. Relative luminance 0.116; OKLCH L 51.4% C 0.194 H 353.3°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B31D70
RGB	rgb(179, 29, 112)
HSL	hsl(327, 72%, 41%)
HSV	hsv(327, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 37.4%, 29.8%)
CIE-LAB	lab(40.63, 62.69, -8.81)
CIE-LCH	lch(40.63, 63.31, 352.00°)
OKLab	oklab(51.39% 0.1929 -0.0225)
OKLCH	oklch(51.39% 0.194 353.3)
XYZ	xyz(21.9559, 11.6351, 16.4157)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D70 #1DB360

analogous

#AB1DB3 #B31D70 #B31D25

triadic

#B31D70 #70B31D #1D70B3

tetradic

#B31D70 #B3AB1D #1DB360 #1D25B3

square

#B31D70 #B3AB1D #1DB360 #1D25B3

split-complementary

#B31D70 #25B31D #1DB3AB

monochromatic

#4A0C2E #7E144F #B31D70 #DD3090 #E664AC

Accessibility & contrast

On white

6.31

#B31D70 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B31D70 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D70

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D70	#FFFFFF	#000000	##FFFFFF
##B31D70	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4F72

Deuteranopia (green-blind)

#68696D

Tritanopia (blue-blind)

#C10045

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b31d70;
/* rgb */ color: rgb(179, 29, 112);
/* oklch */ color: oklch(51.4% 0.194 353.3);

Tailwind

colors: {
  custom: {
    50: '#cf6d99',
    500: '#b31d70',
    950: '#000000',
  },
}

SCSS

$custom: #b31d70;
$custom-light: #cf6d99;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d70",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 112
  },
  "hsl": {
    "h": 326.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51393,
    "c": 0.19425,
    "h": 353.3
  },
  "luminance": 0.11632
}

Semantic roles & 50–950 ramp

primary

#B31D70

secondary

#61CB90

accent

#EF8A39

background

#FDF7F9

surface

#FAEDF2

border

#D3C8CC

text

#15080D

muted

#837B7E

Preview Lab

Preview with #B31D70

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

Preview Lab → · Contrast checker → · Palette generator →