#B540D9#B540D9

#B540D9 is a mid, highly saturated purple. Relative luminance 0.185; OKLCH L 60.0% C 0.233 H 317.0°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#B540D9
RGB	rgb(181, 64, 217)
HSL	hsl(286, 67%, 55%)
HSV	hsv(286, 71%, 85%)
CMYK	cmyk(16.6%, 70.5%, 0%, 14.9%)
CIE-LAB	lab(50.10, 67.97, -56.52)
CIE-LCH	lch(50.10, 88.40, 320.25°)
OKLab	oklab(59.97% 0.1705 -0.1589)
OKLCH	oklch(59.97% 0.233 317)
XYZ	xyz(33.4120, 18.5017, 67.4434)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540D9 #64D940

analogous

#6840D9 #B540D9 #D940B1

triadic

#B540D9 #D9B540 #40D9B5

tetradic

#B540D9 #D96840 #64D940 #40B1D9

square

#B540D9 #D96840 #64D940 #40B1D9

split-complementary

#B540D9 #B1D940 #40D968

monochromatic

#6B1A84 #9524B7 #B540D9 #C973E3 #DDA6ED

Accessibility & contrast

On white

4.47

#B540D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#B540D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B540D9

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540D9	#FFFFFF	#000000	##000000
##B540D9	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DD

Deuteranopia (green-blind)

#437BD6

Tritanopia (blue-blind)

#B35F89

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #b540d9;
/* rgb */ color: rgb(181, 64, 217);
/* oklch */ color: oklch(60.0% 0.233 317.0);

Tailwind

colors: {
  custom: {
    50: '#cf7fe5',
    500: '#b540d9',
    950: '#000000',
  },
}

SCSS

$custom: #b540d9;
$custom-light: #cf7fe5;
$custom-dark: #000000;

JSON

{
  "hex": "#b540d9",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 217
  },
  "hsl": {
    "h": 285.882,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59972,
    "c": 0.23307,
    "h": 317
  },
  "luminance": 0.185
}

Semantic roles & 50–950 ramp

primary

#B540D9

secondary

#A9DA9A

accent

#EA3E66

background

#FDF8FE

surface

#FAEFFC

border

#D3CAD5

text

#140B16

muted

#837C84

Preview Lab

Preview with #B540D9

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

Preview Lab → · Contrast checker → · Palette generator →