#B537B1#B537B1

#B537B1 is a mid, highly saturated purple. Relative luminance 0.157; OKLCH L 56.7% C 0.210 H 329.3°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#B537B1
RGB	rgb(181, 55, 177)
HSL	hsl(302, 53%, 46%)
HSV	hsv(302, 70%, 71%)
CMYK	cmyk(0%, 69.6%, 2.2%, 29%)
CIE-LAB	lab(46.62, 64.18, -38.91)
CIE-LCH	lch(46.62, 75.06, 328.77°)
OKLab	oklab(56.74% 0.1807 -0.1075)
OKLCH	oklch(56.74% 0.21 329.3)
XYZ	xyz(28.3578, 15.7325, 43.1295)
Luminance	0.1573 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B537B1 #37B53B

analogous

#7A37B5 #B537B1 #B53772

triadic

#B537B1 #B1B537 #37B1B5

tetradic

#B537B1 #B57A37 #37B53B #3772B5

square

#B537B1 #B57A37 #37B53B #3772B5

split-complementary

#B537B1 #72B537 #37B57A

monochromatic

#571A55 #862983 #B537B1 #CD5CCA #DC8BD9

Accessibility & contrast

On white

5.07

#B537B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#B537B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B537B1

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B537B1	#FFFFFF	#000000	##FFFFFF
##B537B1	1.00	5.07	4.15	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2764B4

Deuteranopia (green-blind)

#5A74AE

Tritanopia (blue-blind)

#BB4870

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b537b1;
/* rgb */ color: rgb(181, 55, 177);
/* oklch */ color: oklch(56.7% 0.210 329.3);

Tailwind

colors: {
  custom: {
    50: '#cf79c9',
    500: '#b537b1',
    950: '#000000',
  },
}

SCSS

$custom: #b537b1;
$custom-light: #cf79c9;
$custom-dark: #000000;

JSON

{
  "hex": "#b537b1",
  "rgb": {
    "r": 181,
    "g": 55,
    "b": 177
  },
  "hsl": {
    "h": 301.905,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56742,
    "c": 0.21027,
    "h": 329.3
  },
  "luminance": 0.1573
}

Semantic roles & 50–950 ramp

primary

#B537B1

secondary

#82C684

accent

#DD504B

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B537B1

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

Preview Lab → · Contrast checker → · Palette generator →