#B31CB3#B31CB3

#B31CB3 is a mid, highly saturated purple. Relative luminance 0.137; OKLCH L 54.7% C 0.236 H 328.2°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B31CB3
RGB	rgb(179, 28, 179)
HSL	hsl(300, 73%, 41%)
HSV	hsv(300, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 0%, 29.8%)
CIE-LAB	lab(43.76, 71.68, -44.66)
CIE-LCH	lch(43.76, 84.46, 328.07°)
OKLab	oklab(54.67% 0.2002 -0.124)
OKLCH	oklch(54.67% 0.236 328.2)
XYZ	xyz(27.1420, 13.6710, 43.8483)
Luminance	0.1367 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31CB3 #1CB31C

analogous

#671CB3 #B31CB3 #B31C67

triadic

#B31CB3 #B3B31C #1CB3B3

tetradic

#B31CB3 #B3671C #1CB31C #1C67B3

square

#B31CB3 #B3671C #1CB31C #1C67B3

split-complementary

#B31CB3 #67B31C #1CB367

monochromatic

#490B49 #7E147E #B31CB3 #DE2EDE #E763E7

Accessibility & contrast

On white

5.62

#B31CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B31CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31CB3

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31CB3	#FFFFFF	#000000	##FFFFFF
##B31CB3	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB7

Deuteranopia (green-blind)

#4C6EB0

Tritanopia (blue-blind)

#B93A6B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b31cb3;
/* rgb */ color: rgb(179, 28, 179);
/* oklch */ color: oklch(54.7% 0.236 328.2);

Tailwind

colors: {
  custom: {
    50: '#ce6fca',
    500: '#b31cb3',
    950: '#000000',
  },
}

SCSS

$custom: #b31cb3;
$custom-light: #ce6fca;
$custom-dark: #000000;

JSON

{
  "hex": "#b31cb3",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 179
  },
  "hsl": {
    "h": 300,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.54671,
    "c": 0.23553,
    "h": 328.2
  },
  "luminance": 0.13669
}

Semantic roles & 50–950 ramp

primary

#B31CB3

secondary

#5FCB5F

accent

#F03838

background

#FDF7FC

surface

#FAEDF8

border

#D3C8D1

text

#140913

muted

#837B82

Preview Lab

Preview with #B31CB3

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

Preview Lab → · Contrast checker → · Palette generator →