#B540C4#B540C4

#B540C4 is a mid, highly saturated purple. Relative luminance 0.175; OKLCH L 58.7% C 0.215 H 323.0°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#B540C4
RGB	rgb(181, 64, 196)
HSL	hsl(293, 53%, 51%)
HSV	hsv(293, 67%, 77%)
CMYK	cmyk(7.7%, 67.3%, 0%, 23.1%)
CIE-LAB	lab(48.86, 64.07, -46.45)
CIE-LCH	lch(48.86, 79.14, 324.06°)
OKLab	oklab(58.68% 0.1715 -0.1294)
OKLCH	oklch(58.68% 0.215 323)
XYZ	xyz(30.8523, 17.4778, 53.9623)
Luminance	0.1748 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540C4 #4FC440

analogous

#7340C4 #B540C4 #C44091

triadic

#B540C4 #C4B540 #40C4B5

tetradic

#B540C4 #C47340 #4FC440 #4091C4

square

#B540C4 #C47340 #4FC440 #4091C4

split-complementary

#B540C4 #91C440 #40C473

monochromatic

#612069 #8C2F98 #B540C4 #C76FD2 #D99EE1

Accessibility & contrast

On white

4.67

#B540C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#B540C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #B540C4

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540C4	#FFFFFF	#000000	##FFFFFF
##B540C4	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B6BC8

Deuteranopia (green-blind)

#5479C1

Tritanopia (blue-blind)

#B8567D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #b540c4;
/* rgb */ color: rgb(181, 64, 196);
/* oklch */ color: oklch(58.7% 0.215 323.0);

Tailwind

colors: {
  custom: {
    50: '#cf7ed6',
    500: '#b540c4',
    950: '#000000',
  },
}

SCSS

$custom: #b540c4;
$custom-light: #cf7ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#b540c4",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 196
  },
  "hsl": {
    "h": 293.182,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58684,
    "c": 0.21489,
    "h": 323
  },
  "luminance": 0.17476
}

Semantic roles & 50–950 ramp

primary

#B540C4

secondary

#99CD93

accent

#DC4C5C

background

#FDF8FD

surface

#FAEFFA

border

#D3CAD3

text

#140B14

muted

#837C83

Preview Lab

Preview with #B540C4

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

Preview Lab → · Contrast checker → · Palette generator →