#B31CA8#B31CA8

#B31CA8 is a mid, highly saturated purple. Relative luminance 0.132; OKLCH L 54.0% C 0.228 H 331.7°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B31CA8
RGB	rgb(179, 28, 168)
HSL	hsl(304, 73%, 41%)
HSV	hsv(304, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 6.1%, 29.8%)
CIE-LAB	lab(43.13, 70.02, -39.14)
CIE-LCH	lch(43.13, 80.22, 330.80°)
OKLab	oklab(54.02% 0.2007 -0.108)
OKLCH	oklch(54.02% 0.228 331.7)
XYZ	xyz(26.0736, 13.2436, 38.2212)
Luminance	0.1324 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31CA8 #1CB327

analogous

#721CB3 #B31CA8 #B31C5C

triadic

#B31CA8 #A8B31C #1CA8B3

tetradic

#B31CA8 #B3721C #1CB327 #1C5CB3

square

#B31CA8 #B3721C #1CB327 #1C5CB3

split-complementary

#B31CA8 #5CB31C #1CB372

monochromatic

#490B45 #7E1476 #B31CA8 #DE2ED1 #E763DD

Accessibility & contrast

On white

5.76

#B31CA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B31CA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31CA8

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31CA8	#FFFFFF	#000000	##FFFFFF
##B31CA8	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0259AB

Deuteranopia (green-blind)

#536DA5

Tritanopia (blue-blind)

#BB3365

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31ca8;
/* rgb */ color: rgb(179, 28, 168);
/* oklch */ color: oklch(54.0% 0.228 331.7);

Tailwind

colors: {
  custom: {
    50: '#ce6fc2',
    500: '#b31ca8',
    950: '#000000',
  },
}

SCSS

$custom: #b31ca8;
$custom-light: #ce6fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ca8",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 168
  },
  "hsl": {
    "h": 304.371,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.54023,
    "c": 0.22788,
    "h": 331.7
  },
  "luminance": 0.13241
}

Semantic roles & 50–950 ramp

primary

#B31CA8

secondary

#5FCB67

accent

#F04638

background

#FDF7FC

surface

#FAEDF8

border

#D3C8D1

text

#140912

muted

#837B81

Preview Lab

Preview with #B31CA8

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

Preview Lab → · Contrast checker → · Palette generator →