#B31D9F#B31D9F

#B31D9F is a mid, highly saturated purple. Relative luminance 0.130; OKLCH L 53.6% C 0.221 H 334.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B31D9F
RGB	rgb(179, 29, 159)
HSL	hsl(308, 72%, 41%)
HSV	hsv(308, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 11.2%, 29.8%)
CIE-LAB	lab(42.72, 68.50, -34.41)
CIE-LCH	lch(42.72, 76.66, 333.33°)
OKLab	oklab(53.57% 0.2 -0.0943)
OKLCH	oklch(53.57% 0.221 334.8)
XYZ	xyz(25.2881, 12.9680, 33.9654)
Luminance	0.1297 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D9F #1DB331

analogous

#7C1DB3 #B31D9F #B31D54

triadic

#B31D9F #9FB31D #1D9FB3

tetradic

#B31D9F #B37C1D #1DB331 #1D54B3

square

#B31D9F #B37C1D #1DB331 #1D54B3

split-complementary

#B31D9F #54B31D #1DB37C

monochromatic

#4A0C41 #7E1470 #B31D9F #DD30C6 #E664D5

Accessibility & contrast

On white

5.84

#B31D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B31D9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D9F

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D9F	#FFFFFF	#000000	##FFFFFF
##B31D9F	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A57A2

Deuteranopia (green-blind)

#586C9C

Tritanopia (blue-blind)

#BC2E60

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b31d9f;
/* rgb */ color: rgb(179, 29, 159);
/* oklch */ color: oklch(53.6% 0.221 334.8);

Tailwind

colors: {
  custom: {
    50: '#ce6fbc',
    500: '#b31d9f',
    950: '#000000',
  },
}

SCSS

$custom: #b31d9f;
$custom-light: #ce6fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d9f",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 159
  },
  "hsl": {
    "h": 308,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53572,
    "c": 0.2211,
    "h": 334.8
  },
  "luminance": 0.12966
}

Semantic roles & 50–950 ramp

primary

#B31D9F

secondary

#61CB6F

accent

#EF5139

background

#FDF7FB

surface

#FAEDF6

border

#D3C8D0

text

#140812

muted

#837B81

Preview Lab

Preview with #B31D9F

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

Preview Lab → · Contrast checker → · Palette generator →