#B31D9D#B31D9D

#B31D9D is a mid, highly saturated purple. Relative luminance 0.129; OKLCH L 53.5% C 0.220 H 335.4°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B31D9D
RGB	rgb(179, 29, 157)
HSL	hsl(309, 72%, 41%)
HSV	hsv(309, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 12.3%, 29.8%)
CIE-LAB	lab(42.61, 68.22, -33.37)
CIE-LCH	lch(42.61, 75.94, 333.94°)
OKLab	oklab(53.46% 0.1999 -0.0913)
OKLCH	oklch(53.46% 0.22 335.4)
XYZ	xyz(25.1160, 12.8991, 33.0588)
Luminance	0.1290 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D9D #1DB333

analogous

#7E1DB3 #B31D9D #B31D52

triadic

#B31D9D #9DB31D #1D9DB3

tetradic

#B31D9D #B37E1D #1DB333 #1D52B3

square

#B31D9D #B37E1D #1DB333 #1D52B3

split-complementary

#B31D9D #52B31D #1DB37E

monochromatic

#4A0C41 #7E146F #B31D9D #DD30C4 #E664D3

Accessibility & contrast

On white

5.87

#B31D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B31D9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D9D

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D9D	#FFFFFF	#000000	##FFFFFF
##B31D9D	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D57A0

Deuteranopia (green-blind)

#596C9A

Tritanopia (blue-blind)

#BC2D5E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b31d9d;
/* rgb */ color: rgb(179, 29, 157);
/* oklch */ color: oklch(53.5% 0.220 335.4);

Tailwind

colors: {
  custom: {
    50: '#ce6eba',
    500: '#b31d9d',
    950: '#000000',
  },
}

SCSS

$custom: #b31d9d;
$custom-light: #ce6eba;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d9d",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 157
  },
  "hsl": {
    "h": 308.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53464,
    "c": 0.21978,
    "h": 335.4
  },
  "luminance": 0.12897
}

Semantic roles & 50–950 ramp

primary

#B31D9D

secondary

#61CB70

accent

#EF5439

background

#FDF7FB

surface

#FAEDF6

border

#D3C8D0

text

#140811

muted

#837B80

Preview Lab

Preview with #B31D9D

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

Preview Lab → · Contrast checker → · Palette generator →