#B31DA2#B31DA2

#B31DA2 is a mid, highly saturated purple. Relative luminance 0.131; OKLCH L 53.7% C 0.223 H 333.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B31DA2
RGB	rgb(179, 29, 162)
HSL	hsl(307, 72%, 41%)
HSV	hsv(307, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 9.5%, 29.8%)
CIE-LAB	lab(42.87, 68.93, -35.96)
CIE-LCH	lch(42.87, 77.75, 332.45°)
OKLab	oklab(53.74% 0.2001 -0.0988)
OKLCH	oklch(53.74% 0.223 333.7)
XYZ	xyz(25.5516, 13.0734, 35.3531)
Luminance	0.1307 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31DA2 #1DB32E

analogous

#791DB3 #B31DA2 #B31D57

triadic

#B31DA2 #A2B31D #1DA2B3

tetradic

#B31DA2 #B3791D #1DB32E #1D57B3

square

#B31DA2 #B3791D #1DB32E #1D57B3

split-complementary

#B31DA2 #57B31D #1DB379

monochromatic

#4A0C43 #7E1472 #B31DA2 #DD30CA #E664D7

Accessibility & contrast

On white

5.81

#B31DA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B31DA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31DA2

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31DA2	#FFFFFF	#000000	##FFFFFF
##B31DA2	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1558A5

Deuteranopia (green-blind)

#566D9F

Tritanopia (blue-blind)

#BC3061

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b31da2;
/* rgb */ color: rgb(179, 29, 162);
/* oklch */ color: oklch(53.7% 0.223 333.7);

Tailwind

colors: {
  custom: {
    50: '#ce6fbe',
    500: '#b31da2',
    950: '#000000',
  },
}

SCSS

$custom: #b31da2;
$custom-light: #ce6fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#b31da2",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 162
  },
  "hsl": {
    "h": 306.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53736,
    "c": 0.22311,
    "h": 333.7
  },
  "luminance": 0.13071
}

Semantic roles & 50–950 ramp

primary

#B31DA2

secondary

#61CB6D

accent

#EF4E39

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140812

muted

#837B81

Preview Lab

Preview with #B31DA2

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

Preview Lab → · Contrast checker → · Palette generator →