#B540B9#B540B9

#B540B9 is a mid, highly saturated purple. Relative luminance 0.170; OKLCH L 58.1% C 0.206 H 326.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#B540B9
RGB	rgb(181, 64, 185)
HSL	hsl(298, 49%, 49%)
HSV	hsv(298, 65%, 73%)
CMYK	cmyk(2.2%, 65.4%, 0%, 27.5%)
CIE-LAB	lab(48.25, 62.13, -41.02)
CIE-LCH	lch(48.25, 74.45, 326.57°)
OKLab	oklab(58.06% 0.1714 -0.1136)
OKLCH	oklch(58.06% 0.206 326.5)
XYZ	xyz(29.6459, 16.9952, 47.6085)
Luminance	0.1699 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540B9 #44B940

analogous

#7940B9 #B540B9 #B94081

triadic

#B540B9 #B9B540 #40B9B5

tetradic

#B540B9 #B97940 #44B940 #4081B9

square

#B540B9 #B97940 #44B940 #4081B9

split-complementary

#B540B9 #81B940 #40B979

monochromatic

#5C215E #89308C #B540B9 #C86BCC #D998DB

Accessibility & contrast

On white

4.77

#B540B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#B540B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B540B9

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540B9	#FFFFFF	#000000	##FFFFFF
##B540B9	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C69BD

Deuteranopia (green-blind)

#5A78B6

Tritanopia (blue-blind)

#BA5177

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b540b9;
/* rgb */ color: rgb(181, 64, 185);
/* oklch */ color: oklch(58.1% 0.206 326.5);

Tailwind

colors: {
  custom: {
    50: '#ce7ece',
    500: '#b540b9',
    950: '#000000',
  },
}

SCSS

$custom: #b540b9;
$custom-light: #ce7ece;
$custom-dark: #000000;

JSON

{
  "hex": "#b540b9",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 185
  },
  "hsl": {
    "h": 298.017,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58056,
    "c": 0.20564,
    "h": 326.5
  },
  "luminance": 0.16993
}

Semantic roles & 50–950 ramp

primary

#B540B9

secondary

#90C78E

accent

#D85054

background

#FDF8FC

surface

#FAEFF9

border

#D3CAD2

text

#140B14

muted

#837C82

Preview Lab

Preview with #B540B9

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

Preview Lab → · Contrast checker → · Palette generator →