#B531B3#B531B3

#B531B3 is a mid, highly saturated purple. Relative luminance 0.153; OKLCH L 56.3% C 0.218 H 328.7°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#B531B3
RGB	rgb(181, 49, 179)
HSL	hsl(301, 57%, 45%)
HSV	hsv(301, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 1.1%, 29%)
CIE-LAB	lab(46.01, 66.55, -41.06)
CIE-LCH	lch(46.01, 78.19, 328.33°)
OKLab	oklab(56.34% 0.1866 -0.1136)
OKLCH	oklch(56.34% 0.218 328.7)
XYZ	xyz(28.2908, 15.2772, 44.0978)
Luminance	0.1527 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B531B3 #31B533

analogous

#7531B5 #B531B3 #B53171

triadic

#B531B3 #B3B531 #31B3B5

tetradic

#B531B3 #B57531 #31B533 #3171B5

square

#B531B3 #B57531 #31B533 #3171B5

split-complementary

#B531B3 #71B531 #31B575

monochromatic

#551754 #852483 #B531B3 #D053CE #DD83DC

Accessibility & contrast

On white

5.18

#B531B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#B531B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B531B3

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B531B3	#FFFFFF	#000000	##FFFFFF
##B531B3	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A62B7

Deuteranopia (green-blind)

#5673B0

Tritanopia (blue-blind)

#BB456F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b531b3;
/* rgb */ color: rgb(181, 49, 179);
/* oklch */ color: oklch(56.3% 0.218 328.7);

Tailwind

colors: {
  custom: {
    50: '#cf77ca',
    500: '#b531b3',
    950: '#000000',
  },
}

SCSS

$custom: #b531b3;
$custom-light: #cf77ca;
$custom-dark: #000000;

JSON

{
  "hex": "#b531b3",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 179
  },
  "hsl": {
    "h": 300.909,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56339,
    "c": 0.21846,
    "h": 328.7
  },
  "luminance": 0.15275
}

Semantic roles & 50–950 ramp

primary

#B531B3

secondary

#7BC77C

accent

#E14947

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B531B3

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

Preview Lab → · Contrast checker → · Palette generator →