#B540BC#B540BC

#B540BC is a mid, highly saturated purple. Relative luminance 0.171; OKLCH L 58.2% C 0.208 H 325.5°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#B540BC
RGB	rgb(181, 64, 188)
HSL	hsl(297, 49%, 49%)
HSV	hsv(297, 66%, 74%)
CMYK	cmyk(3.7%, 66%, 0%, 26.3%)
CIE-LAB	lab(48.41, 62.65, -42.51)
CIE-LCH	lch(48.41, 75.71, 325.84°)
OKLab	oklab(58.22% 0.1715 -0.118)
OKLCH	oklch(58.22% 0.208 325.5)
XYZ	xyz(29.9659, 17.1233, 49.2940)
Luminance	0.1712 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540BC #47BC40

analogous

#7740BC #B540BC #BC4085

triadic

#B540BC #BCB540 #40BCB5

tetradic

#B540BC #BC7740 #47BC40 #4085BC

square

#B540BC #BC7740 #47BC40 #4085BC

split-complementary

#B540BC #85BC40 #40BC77

monochromatic

#5D2161 #89308E #B540BC #C86CCD #D99ADD

Accessibility & contrast

On white

4.75

#B540BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#B540BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B540BC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540BC	#FFFFFF	#000000	##FFFFFF
##B540BC	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286AC0

Deuteranopia (green-blind)

#5978B9

Tritanopia (blue-blind)

#B95379

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b540bc;
/* rgb */ color: rgb(181, 64, 188);
/* oklch */ color: oklch(58.2% 0.208 325.5);

Tailwind

colors: {
  custom: {
    50: '#cf7ed1',
    500: '#b540bc',
    950: '#000000',
  },
}

SCSS

$custom: #b540bc;
$custom-light: #cf7ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#b540bc",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 188
  },
  "hsl": {
    "h": 296.613,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58224,
    "c": 0.20814,
    "h": 325.5
  },
  "luminance": 0.17121
}

Semantic roles & 50–950 ramp

primary

#B540BC

secondary

#93C98F

accent

#D94F57

background

#FDF8FC

surface

#FAEFF9

border

#D3CAD2

text

#140B14

muted

#837C82

Preview Lab

Preview with #B540BC

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

Preview Lab → · Contrast checker → · Palette generator →