#B540CB#B540CB

#B540CB is a mid, highly saturated purple. Relative luminance 0.178; OKLCH L 59.1% C 0.221 H 320.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#B540CB
RGB	rgb(181, 64, 203)
HSL	hsl(291, 57%, 52%)
HSV	hsv(291, 68%, 80%)
CMYK	cmyk(10.8%, 68.5%, 0%, 20.4%)
CIE-LAB	lab(49.26, 65.34, -49.85)
CIE-LCH	lch(49.26, 82.19, 322.66°)
OKLab	oklab(59.1% 0.1714 -0.1393)
OKLCH	oklch(59.1% 0.221 320.9)
XYZ	xyz(31.6677, 17.8040, 58.2568)
Luminance	0.1780 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540CB #56CB40

analogous

#7040CB #B540CB #CB409B

triadic

#B540CB #CBB540 #40CBB5

tetradic

#B540CB #CB7040 #56CB40 #409BCB

square

#B540CB #CB7040 #56CB40 #409BCB

split-complementary

#B540CB #9BCB40 #40CB70

monochromatic

#651F72 #8F2CA2 #B540CB #C870D8 #DAA0E5

Accessibility & contrast

On white

4.60

#B540CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#B540CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #B540CB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540CB	#FFFFFF	#000000	##FFFFFF
##B540CB	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#076DCF

Deuteranopia (green-blind)

#4F79C8

Tritanopia (blue-blind)

#B65981

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #b540cb;
/* rgb */ color: rgb(181, 64, 203);
/* oklch */ color: oklch(59.1% 0.221 320.9);

Tailwind

colors: {
  custom: {
    50: '#cf7edb',
    500: '#b540cb',
    950: '#000000',
  },
}

SCSS

$custom: #b540cb;
$custom-light: #cf7edb;
$custom-dark: #000000;

JSON

{
  "hex": "#b540cb",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 203
  },
  "hsl": {
    "h": 290.504,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59101,
    "c": 0.22089,
    "h": 320.9
  },
  "luminance": 0.17802
}

Semantic roles & 50–950 ramp

primary

#B540CB

secondary

#9FD295

accent

#E04760

background

#FDF8FD

surface

#FAEFFB

border

#D3CAD4

text

#140B15

muted

#837C83

Preview Lab

Preview with #B540CB

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

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