#B540B1#B540B1

#B540B1 is a mid, vivid purple. Relative luminance 0.167; OKLCH L 57.6% C 0.199 H 329.2°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#B540B1
RGB	rgb(181, 64, 177)
HSL	hsl(302, 48%, 48%)
HSV	hsv(302, 65%, 71%)
CMYK	cmyk(0%, 64.6%, 2.2%, 29%)
CIE-LAB	lab(47.84, 60.77, -36.99)
CIE-LCH	lch(47.84, 71.14, 328.67°)
OKLab	oklab(57.62% 0.171 -0.102)
OKLCH	oklch(57.62% 0.199 329.2)
XYZ	xyz(28.8250, 16.6669, 43.2853)
Luminance	0.1666 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540B1 #40B544

analogous

#7E40B5 #B540B1 #B54077

triadic

#B540B1 #B1B540 #40B1B5

tetradic

#B540B1 #B57E40 #40B544 #4077B5

square

#B540B1 #B57E40 #40B544 #4077B5

split-complementary

#B540B1 #77B540 #40B57E

monochromatic

#5B2059 #883085 #B540B1 #CA68C6 #DA96D7

Accessibility & contrast

On white

4.85

#B540B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#B540B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B540B1

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540B1	#FFFFFF	#000000	##FFFFFF
##B540B1	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3467B4

Deuteranopia (green-blind)

#5F77AE

Tritanopia (blue-blind)

#BB4E73

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b540b1;
/* rgb */ color: rgb(181, 64, 177);
/* oklch */ color: oklch(57.6% 0.199 329.2);

Tailwind

colors: {
  custom: {
    50: '#ce7ec9',
    500: '#b540b1',
    950: '#000000',
  },
}

SCSS

$custom: #b540b1;
$custom-light: #ce7ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#b540b1",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 177
  },
  "hsl": {
    "h": 302.051,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57619,
    "c": 0.19909,
    "h": 329.2
  },
  "luminance": 0.16665
}

Semantic roles & 50–950 ramp

primary

#B540B1

secondary

#8BC58D

accent

#D75550

background

#FDF8FC

surface

#FAEFF8

border

#D3CAD1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B540B1

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

Preview Lab → · Contrast checker → · Palette generator →