#B537B3#B537B3

#B537B3 is a mid, highly saturated purple. Relative luminance 0.158; OKLCH L 56.9% C 0.212 H 328.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#B537B3
RGB	rgb(181, 55, 179)
HSL	hsl(301, 53%, 46%)
HSV	hsv(301, 70%, 71%)
CMYK	cmyk(0%, 69.6%, 1.1%, 29%)
CIE-LAB	lab(46.73, 64.51, -39.92)
CIE-LCH	lch(46.73, 75.86, 328.25°)
OKLab	oklab(56.85% 0.1808 -0.1104)
OKLCH	oklch(56.85% 0.212 328.6)
XYZ	xyz(28.5586, 15.8129, 44.1871)
Luminance	0.1581 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B537B3 #37B539

analogous

#7837B5 #B537B3 #B53774

triadic

#B537B3 #B3B537 #37B3B5

tetradic

#B537B3 #B57837 #37B539 #3774B5

square

#B537B3 #B57837 #37B539 #3774B5

split-complementary

#B537B3 #74B537 #37B578

monochromatic

#571A56 #862985 #B537B3 #CD5CCC #DC8BDA

Accessibility & contrast

On white

5.05

#B537B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#B537B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B537B3

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B537B3	#FFFFFF	#000000	##FFFFFF
##B537B3	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2564B6

Deuteranopia (green-blind)

#5975B0

Tritanopia (blue-blind)

#BB4971

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b537b3;
/* rgb */ color: rgb(181, 55, 179);
/* oklch */ color: oklch(56.9% 0.212 328.6);

Tailwind

colors: {
  custom: {
    50: '#cf79ca',
    500: '#b537b3',
    950: '#000000',
  },
}

SCSS

$custom: #b537b3;
$custom-light: #cf79ca;
$custom-dark: #000000;

JSON

{
  "hex": "#b537b3",
  "rgb": {
    "r": 181,
    "g": 55,
    "b": 179
  },
  "hsl": {
    "h": 300.952,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56853,
    "c": 0.21183,
    "h": 328.6
  },
  "luminance": 0.15811
}

Semantic roles & 50–950 ramp

primary

#B537B3

secondary

#82C683

accent

#DD4D4B

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B537B3

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

Preview Lab → · Contrast checker → · Palette generator →