#B540B3#B540B3

#B540B3 is a mid, highly saturated purple. Relative luminance 0.167; OKLCH L 57.7% C 0.201 H 328.5°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#B540B3
RGB	rgb(181, 64, 179)
HSL	hsl(301, 48%, 48%)
HSV	hsv(301, 65%, 71%)
CMYK	cmyk(0%, 64.6%, 1.1%, 29%)
CIE-LAB	lab(47.94, 61.10, -38.01)
CIE-LCH	lch(47.94, 71.96, 328.12°)
OKLab	oklab(57.73% 0.1711 -0.1049)
OKLCH	oklch(57.73% 0.201 328.5)
XYZ	xyz(29.0258, 16.7472, 44.3428)
Luminance	0.1674 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540B3 #40B542

analogous

#7D40B5 #B540B3 #B54078

triadic

#B540B3 #B3B540 #40B3B5

tetradic

#B540B3 #B57D40 #40B542 #4078B5

square

#B540B3 #B57D40 #40B542 #4078B5

split-complementary

#B540B3 #78B540 #40B57D

monochromatic

#5B205A #883086 #B540B3 #CA68C8 #DA96D9

Accessibility & contrast

On white

4.83

#B540B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#B540B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B540B3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540B3	#FFFFFF	#000000	##FFFFFF
##B540B3	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3268B6

Deuteranopia (green-blind)

#5E77B0

Tritanopia (blue-blind)

#BB4F74

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b540b3;
/* rgb */ color: rgb(181, 64, 179);
/* oklch */ color: oklch(57.7% 0.201 328.5);

Tailwind

colors: {
  custom: {
    50: '#ce7eca',
    500: '#b540b3',
    950: '#000000',
  },
}

SCSS

$custom: #b540b3;
$custom-light: #ce7eca;
$custom-dark: #000000;

JSON

{
  "hex": "#b540b3",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 179
  },
  "hsl": {
    "h": 301.026,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57727,
    "c": 0.20071,
    "h": 328.5
  },
  "luminance": 0.16745
}

Semantic roles & 50–950 ramp

primary

#B540B3

secondary

#8BC58C

accent

#D75350

background

#FDF8FC

surface

#FAEFF8

border

#D3CAD1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B540B3

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

Preview Lab → · Contrast checker → · Palette generator →