#B31B6D#B31B6D

#B31B6D is a mid, vivid pink. Relative luminance 0.115; OKLCH L 51.2% C 0.194 H 354.5°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#B31B6D
RGB	rgb(179, 27, 109)
HSL	hsl(328, 74%, 40%)
HSV	hsv(328, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 39.1%, 29.8%)
CIE-LAB	lab(40.37, 62.83, -7.32)
CIE-LCH	lch(40.37, 63.26, 353.36°)
OKLab	oklab(51.17% 0.1935 -0.0185)
OKLCH	oklch(51.17% 0.194 354.5)
XYZ	xyz(21.7442, 11.4746, 15.5348)
Luminance	0.1147 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31B6D #1BB361

analogous

#AD1BB3 #B31B6D #B31B21

triadic

#B31B6D #6DB31B #1B6DB3

tetradic

#B31B6D #B3AD1B #1BB361 #1B21B3

square

#B31B6D #B3AD1B #1BB361 #1B21B3

split-complementary

#B31B6D #21B31B #1BB3AD

monochromatic

#490B2C #7E134D #B31B6D #DF2C8D #E761A9

Accessibility & contrast

On white

6.37

#B31B6D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B31B6D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31B6D

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31B6D	#FFFFFF	#000000	##FFFFFF
##B31B6D	1.00	6.37	3.29	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4E6F

Deuteranopia (green-blind)

#69696A

Tritanopia (blue-blind)

#C20043

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b31b6d;
/* rgb */ color: rgb(179, 27, 109);
/* oklch */ color: oklch(51.2% 0.194 354.5);

Tailwind

colors: {
  custom: {
    50: '#cf6c96',
    500: '#b31b6d',
    950: '#000000',
  },
}

SCSS

$custom: #b31b6d;
$custom-light: #cf6c96;
$custom-dark: #000000;

JSON

{
  "hex": "#b31b6d",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 109
  },
  "hsl": {
    "h": 327.632,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.51168,
    "c": 0.19443,
    "h": 354.5
  },
  "luminance": 0.11472
}

Semantic roles & 50–950 ramp

primary

#B31B6D

secondary

#5ECC91

accent

#F08D37

background

#FDF7F9

surface

#FAEDF2

border

#D3C8CC

text

#15080D

muted

#837B7E

Preview Lab

Preview with #B31B6D

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

Preview Lab → · Contrast checker → · Palette generator →