#B31CA1#B31CA1

#B31CA1 is a mid, highly saturated purple. Relative luminance 0.130; OKLCH L 53.6% C 0.223 H 334.1°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B31CA1
RGB	rgb(179, 28, 161)
HSL	hsl(307, 73%, 41%)
HSV	hsv(307, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 10.1%, 29.8%)
CIE-LAB	lab(42.75, 69.00, -35.56)
CIE-LCH	lch(42.75, 77.62, 332.74°)
OKLab	oklab(53.63% 0.2007 -0.0976)
OKLCH	oklch(53.63% 0.223 334.1)
XYZ	xyz(25.4390, 12.9898, 34.8788)
Luminance	0.1299 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31CA1 #1CB32E

analogous

#791CB3 #B31CA1 #B31C56

triadic

#B31CA1 #A1B31C #1CA1B3

tetradic

#B31CA1 #B3791C #1CB32E #1C56B3

square

#B31CA1 #B3791C #1CB32E #1C56B3

split-complementary

#B31CA1 #56B31C #1CB379

monochromatic

#490B42 #7E1471 #B31CA1 #DE2EC9 #E763D7

Accessibility & contrast

On white

5.84

#B31CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B31CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31CA1

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31CA1	#FFFFFF	#000000	##FFFFFF
##B31CA1	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1657A4

Deuteranopia (green-blind)

#576C9E

Tritanopia (blue-blind)

#BC2F61

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b31ca1;
/* rgb */ color: rgb(179, 28, 161);
/* oklch */ color: oklch(53.6% 0.223 334.1);

Tailwind

colors: {
  custom: {
    50: '#ce6ebd',
    500: '#b31ca1',
    950: '#000000',
  },
}

SCSS

$custom: #b31ca1;
$custom-light: #ce6ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ca1",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 307.152,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5363,
    "c": 0.22315,
    "h": 334.1
  },
  "luminance": 0.12987
}

Semantic roles & 50–950 ramp

primary

#B31CA1

secondary

#5FCB6C

accent

#F04E38

background

#FDF7FB

surface

#FAEDF6

border

#D3C8D0

text

#140812

muted

#837B81

Preview Lab

Preview with #B31CA1

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

Preview Lab → · Contrast checker → · Palette generator →