#B31DA8#B31DA8

#B31DA8 is a mid, highly saturated purple. Relative luminance 0.133; OKLCH L 54.1% C 0.227 H 331.7°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B31DA8
RGB	rgb(179, 29, 168)
HSL	hsl(304, 72%, 41%)
HSV	hsv(304, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 6.1%, 29.8%)
CIE-LAB	lab(43.20, 69.81, -39.03)
CIE-LCH	lch(43.20, 79.98, 330.79°)
OKLab	oklab(54.07% 0.2001 -0.1077)
OKLCH	oklch(54.07% 0.227 331.7)
XYZ	xyz(26.0977, 13.2918, 38.2293)
Luminance	0.1329 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31DA8 #1DB328

analogous

#731DB3 #B31DA8 #B31D5D

triadic

#B31DA8 #A8B31D #1DA8B3

tetradic

#B31DA8 #B3731D #1DB328 #1D5DB3

square

#B31DA8 #B3731D #1DB328 #1D5DB3

split-complementary

#B31DA8 #5DB31D #1DB373

monochromatic

#4A0C45 #7E1477 #B31DA8 #DD30D1 #E664DC

Accessibility & contrast

On white

5.74

#B31DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B31DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31DA8

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31DA8	#FFFFFF	#000000	##FFFFFF
##B31DA8	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0459AB

Deuteranopia (green-blind)

#536DA5

Tritanopia (blue-blind)

#BB3465

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31da8;
/* rgb */ color: rgb(179, 29, 168);
/* oklch */ color: oklch(54.1% 0.227 331.7);

Tailwind

colors: {
  custom: {
    50: '#ce6fc2',
    500: '#b31da8',
    950: '#000000',
  },
}

SCSS

$custom: #b31da8;
$custom-light: #ce6fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#b31da8",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 304.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.54074,
    "c": 0.22719,
    "h": 331.7
  },
  "luminance": 0.1329
}

Semantic roles & 50–950 ramp

primary

#B31DA8

secondary

#61CB69

accent

#EF4639

background

#FDF7FC

surface

#FAEDF8

border

#D3C8D1

text

#140912

muted

#837B81

Preview Lab

Preview with #B31DA8

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

Preview Lab → · Contrast checker → · Palette generator →