#B540D3#B540D3

#B540D3 is a mid, highly saturated purple. Relative luminance 0.182; OKLCH L 59.6% C 0.228 H 318.6°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#B540D3
RGB	rgb(181, 64, 211)
HSL	hsl(288, 63%, 54%)
HSV	hsv(288, 70%, 83%)
CMYK	cmyk(14.2%, 69.7%, 0%, 17.3%)
CIE-LAB	lab(49.73, 66.83, -53.68)
CIE-LCH	lch(49.73, 85.72, 321.23°)
OKLab	oklab(59.59% 0.171 -0.1506)
OKLCH	oklch(59.59% 0.228 318.6)
XYZ	xyz(32.6457, 18.1952, 63.4078)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540D3 #5ED340

analogous

#6C40D3 #B540D3 #D340A8

triadic

#B540D3 #D3B540 #40D3B5

tetradic

#B540D3 #D36C40 #5ED340 #40A8D3

square

#B540D3 #D36C40 #5ED340 #40A8D3

split-complementary

#B540D3 #A8D340 #40D36C

monochromatic

#691D7C #9228AE #B540D3 #C872DE #DCA3EA

Accessibility & contrast

On white

4.53

#B540D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#B540D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B540D3

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540D3	#FFFFFF	#000000	##000000
##B540D3	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD7

Deuteranopia (green-blind)

#487AD0

Tritanopia (blue-blind)

#B55C85

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #b540d3;
/* rgb */ color: rgb(181, 64, 211);
/* oklch */ color: oklch(59.6% 0.228 318.6);

Tailwind

colors: {
  custom: {
    50: '#cf7fe1',
    500: '#b540d3',
    950: '#000000',
  },
}

SCSS

$custom: #b540d3;
$custom-light: #cf7fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#b540d3",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 211
  },
  "hsl": {
    "h": 287.755,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59593,
    "c": 0.22783,
    "h": 318.6
  },
  "luminance": 0.18194
}

Semantic roles & 50–950 ramp

primary

#B540D3

secondary

#A5D798

accent

#E64264

background

#FDF8FD

surface

#FAEFFB

border

#D3CAD4

text

#140B15

muted

#837C83

Preview Lab

Preview with #B540D3

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

Preview Lab → · Contrast checker → · Palette generator →