#B31CB1#B31CB1

#B31CB1 is a mid, highly saturated purple. Relative luminance 0.136; OKLCH L 54.5% C 0.234 H 328.8°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B31CB1
RGB	rgb(179, 28, 177)
HSL	hsl(301, 73%, 41%)
HSV	hsv(301, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 1.1%, 29.8%)
CIE-LAB	lab(43.64, 71.38, -43.67)
CIE-LCH	lch(43.64, 83.67, 328.54°)
OKLab	oklab(54.55% 0.2004 -0.1211)
OKLCH	oklch(54.55% 0.234 328.8)
XYZ	xyz(26.9412, 13.5907, 42.7908)
Luminance	0.1359 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31CB1 #1CB31E

analogous

#6A1CB3 #B31CB1 #B31C65

triadic

#B31CB1 #B1B31C #1CB1B3

tetradic

#B31CB1 #B36A1C #1CB31E #1C65B3

square

#B31CB1 #B36A1C #1CB31E #1C65B3

split-complementary

#B31CB1 #65B31C #1CB36A

monochromatic

#490B48 #7E147D #B31CB1 #DE2EDC #E763E5

Accessibility & contrast

On white

5.65

#B31CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B31CB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31CB1

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31CB1	#FFFFFF	#000000	##FFFFFF
##B31CB1	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB5

Deuteranopia (green-blind)

#4E6EAE

Tritanopia (blue-blind)

#B9396A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b31cb1;
/* rgb */ color: rgb(179, 28, 177);
/* oklch */ color: oklch(54.5% 0.234 328.8);

Tailwind

colors: {
  custom: {
    50: '#ce6fc9',
    500: '#b31cb1',
    950: '#000000',
  },
}

SCSS

$custom: #b31cb1;
$custom-light: #ce6fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#b31cb1",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 177
  },
  "hsl": {
    "h": 300.795,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5455,
    "c": 0.23413,
    "h": 328.8
  },
  "luminance": 0.13589
}

Semantic roles & 50–950 ramp

primary

#B31CB1

secondary

#5FCB61

accent

#F03B38

background

#FDF7FC

surface

#FAEDF8

border

#D3C8D1

text

#140913

muted

#837B82

Preview Lab

Preview with #B31CB1

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

Preview Lab → · Contrast checker → · Palette generator →