#B540CA#B540CA

#B540CA is a mid, highly saturated purple. Relative luminance 0.178; OKLCH L 59.0% C 0.220 H 321.2°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#B540CA
RGB	rgb(181, 64, 202)
HSL	hsl(291, 57%, 52%)
HSV	hsv(291, 68%, 79%)
CMYK	cmyk(10.4%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(49.20, 65.16, -49.37)
CIE-LCH	lch(49.20, 81.75, 322.85°)
OKLab	oklab(59.04% 0.1714 -0.1379)
OKLCH	oklch(59.04% 0.22 321.2)
XYZ	xyz(31.5489, 17.7565, 57.6312)
Luminance	0.1776 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540CA #55CA40

analogous

#7040CA #B540CA #CA409A

triadic

#B540CA #CAB540 #40CAB5

tetradic

#B540CA #CA7040 #55CA40 #409ACA

square

#B540CA #CA7040 #55CA40 #409ACA

split-complementary

#B540CA #9ACA40 #40CA70

monochromatic

#641F70 #8F2CA0 #B540CA #C870D7 #DAA0E5

Accessibility & contrast

On white

4.61

#B540CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#B540CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #B540CA

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540CA	#FFFFFF	#000000	##FFFFFF
##B540CA	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B6DCE

Deuteranopia (green-blind)

#5079C7

Tritanopia (blue-blind)

#B65880

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #b540ca;
/* rgb */ color: rgb(181, 64, 202);
/* oklch */ color: oklch(59.0% 0.220 321.2);

Tailwind

colors: {
  custom: {
    50: '#cf7edb',
    500: '#b540ca',
    950: '#000000',
  },
}

SCSS

$custom: #b540ca;
$custom-light: #cf7edb;
$custom-dark: #000000;

JSON

{
  "hex": "#b540ca",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 290.87,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.59041,
    "c": 0.22003,
    "h": 321.2
  },
  "luminance": 0.17755
}

Semantic roles & 50–950 ramp

primary

#B540CA

secondary

#9ED195

accent

#E0485F

background

#FDF8FD

surface

#FAEFFB

border

#D3CAD4

text

#140B15

muted

#837C83

Preview Lab

Preview with #B540CA

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

Preview Lab → · Contrast checker → · Palette generator →