#B31BB4#B31BB4

#B31BB4 is a mid, highly saturated purple. Relative luminance 0.137; OKLCH L 54.7% C 0.237 H 327.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B31BB4
RGB	rgb(179, 27, 180)
HSL	hsl(300, 74%, 41%)
HSV	hsv(300, 85%, 71%)
CMYK	cmyk(0.6%, 85%, 0%, 29.4%)
CIE-LAB	lab(43.75, 72.04, -45.27)
CIE-LCH	lch(43.75, 85.08, 327.86°)
OKLab	oklab(54.68% 0.2007 -0.1258)
OKLCH	oklch(54.68% 0.237 327.9)
XYZ	xyz(27.2202, 13.6650, 44.3751)
Luminance	0.1366 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31BB4 #1CB41B

analogous

#661BB4 #B31BB4 #B41B68

triadic

#B31BB4 #B4B31B #1BB4B3

tetradic

#B31BB4 #B4661B #1CB41B #1B68B4

square

#B31BB4 #B4661B #1CB41B #1B68B4

split-complementary

#B31BB4 #68B41B #1BB466

monochromatic

#490B4A #7E137F #B31BB4 #DE2DDF #E762E7

Accessibility & contrast

On white

5.63

#B31BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B31BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31BB4

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31BB4	#FFFFFF	#000000	##FFFFFF
##B31BB4	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#4B6EB1

Tritanopia (blue-blind)

#B93A6B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b31bb4;
/* rgb */ color: rgb(179, 27, 180);
/* oklch */ color: oklch(54.7% 0.237 327.9);

Tailwind

colors: {
  custom: {
    50: '#ce6fcb',
    500: '#b31bb4',
    950: '#000000',
  },
}

SCSS

$custom: #b31bb4;
$custom-light: #ce6fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#b31bb4",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 299.608,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.54684,
    "c": 0.23688,
    "h": 327.9
  },
  "luminance": 0.13663
}

Semantic roles & 50–950 ramp

primary

#B31BB4

secondary

#5FCC5F

accent

#F13738

background

#FDF7FC

surface

#FAEDF8

border

#D3C8D1

text

#140913

muted

#837B82

Preview Lab

Preview with #B31BB4

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

Preview Lab → · Contrast checker → · Palette generator →