#B540A4#B540A4

#B540A4 is a mid, vivid purple. Relative luminance 0.162; OKLCH L 57.0% C 0.189 H 334.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#B540A4
RGB	rgb(181, 64, 164)
HSL	hsl(309, 48%, 48%)
HSV	hsv(309, 65%, 71%)
CMYK	cmyk(0%, 64.6%, 9.4%, 29%)
CIE-LAB	lab(47.20, 58.65, -30.33)
CIE-LCH	lch(47.20, 66.02, 332.66°)
OKLab	oklab(56.95% 0.1698 -0.0828)
OKLCH	oklch(56.95% 0.189 334)
XYZ	xyz(27.5905, 16.1731, 36.7833)
Luminance	0.1617 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540A4 #40B551

analogous

#8B40B5 #B540A4 #B54069

triadic

#B540A4 #A4B540 #40A4B5

tetradic

#B540A4 #B58B40 #40B551 #4069B5

square

#B540A4 #B58B40 #40B551 #4069B5

split-complementary

#B540A4 #69B540 #40B58B

monochromatic

#5B2052 #88307B #B540A4 #CA68BC #DA96D0

Accessibility & contrast

On white

4.96

#B540A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#B540A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B540A4

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540A4	#FFFFFF	#000000	##FFFFFF
##B540A4	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E65A7

Deuteranopia (green-blind)

#6576A1

Tritanopia (blue-blind)

#BD496C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b540a4;
/* rgb */ color: rgb(181, 64, 164);
/* oklch */ color: oklch(57.0% 0.189 334.0);

Tailwind

colors: {
  custom: {
    50: '#ce7dbf',
    500: '#b540a4',
    950: '#000000',
  },
}

SCSS

$custom: #b540a4;
$custom-light: #ce7dbf;
$custom-dark: #000000;

JSON

{
  "hex": "#b540a4",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 164
  },
  "hsl": {
    "h": 308.718,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5695,
    "c": 0.18887,
    "h": 334
  },
  "luminance": 0.16171
}

Semantic roles & 50–950 ramp

primary

#B540A4

secondary

#8BC594

accent

#D76450

background

#FDF8FB

surface

#FAEFF7

border

#D3CAD0

text

#140A12

muted

#837C81

Preview Lab

Preview with #B540A4

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

Preview Lab → · Contrast checker → · Palette generator →