#B540D5#B540D5

#B540D5 is a mid, highly saturated purple. Relative luminance 0.183; OKLCH L 59.7% C 0.230 H 318.1°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#B540D5
RGB	rgb(181, 64, 213)
HSL	hsl(287, 64%, 54%)
HSV	hsv(287, 70%, 84%)
CMYK	cmyk(15%, 70%, 0%, 16.5%)
CIE-LAB	lab(49.85, 67.21, -54.63)
CIE-LCH	lch(49.85, 86.61, 320.89°)
OKLab	oklab(59.72% 0.1709 -0.1533)
OKLCH	oklch(59.72% 0.23 318.1)
XYZ	xyz(32.8980, 18.2961, 64.7365)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540D5 #60D540

analogous

#6B40D5 #B540D5 #D540AB

triadic

#B540D5 #D5B540 #40D5B5

tetradic

#B540D5 #D56B40 #60D540 #40ABD5

square

#B540D5 #D56B40 #60D540 #40ABD5

split-complementary

#B540D5 #ABD540 #40D56B

monochromatic

#6A1C7F #9327B1 #B540D5 #C872E0 #DCA4EB

Accessibility & contrast

On white

4.51

#B540D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#B540D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B540D5

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540D5	#FFFFFF	#000000	##000000
##B540D5	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD9

Deuteranopia (green-blind)

#477AD2

Tritanopia (blue-blind)

#B45D86

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #b540d5;
/* rgb */ color: rgb(181, 64, 213);
/* oklch */ color: oklch(59.7% 0.230 318.1);

Tailwind

colors: {
  custom: {
    50: '#cf7fe3',
    500: '#b540d5',
    950: '#000000',
  },
}

SCSS

$custom: #b540d5;
$custom-light: #cf7fe3;
$custom-dark: #000000;

JSON

{
  "hex": "#b540d5",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 213
  },
  "hsl": {
    "h": 287.114,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59719,
    "c": 0.22957,
    "h": 318.1
  },
  "luminance": 0.18295
}

Semantic roles & 50–950 ramp

primary

#B540D5

secondary

#A6D899

accent

#E74165

background

#FDF8FE

surface

#FAEFFC

border

#D3CAD5

text

#140B15

muted

#837C84

Preview Lab

Preview with #B540D5

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

Preview Lab → · Contrast checker → · Palette generator →