#B437AB#B437AB

#B437AB is a mid, highly saturated purple. Relative luminance 0.154; OKLCH L 56.3% C 0.205 H 331.0°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#B437AB
RGB	rgb(180, 55, 171)
HSL	hsl(304, 53%, 46%)
HSV	hsv(304, 69%, 71%)
CMYK	cmyk(0%, 69.4%, 5%, 29.4%)
CIE-LAB	lab(46.15, 62.98, -36.13)
CIE-LCH	lch(46.15, 72.61, 330.16°)
OKLab	oklab(56.27% 0.1794 -0.0994)
OKLCH	oklch(56.27% 0.205 331)
XYZ	xyz(27.5392, 15.3781, 40.0380)
Luminance	0.1538 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B437AB #37B440

analogous

#7E37B4 #B437AB #B4376C

triadic

#B437AB #ABB437 #37ABB4

tetradic

#B437AB #B47E37 #37B440 #376CB4

square

#B437AB #B47E37 #37B440 #376CB4

split-complementary

#B437AB #6CB437 #37B47E

monochromatic

#561A52 #85297E #B437AB #CD5BC5 #DB8AD5

Accessibility & contrast

On white

5.15

#B437AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#B437AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B437AB

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B437AB	#FFFFFF	#000000	##FFFFFF
##B437AB	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D62AE

Deuteranopia (green-blind)

#5C73A8

Tritanopia (blue-blind)

#BB456D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b437ab;
/* rgb */ color: rgb(180, 55, 171);
/* oklch */ color: oklch(56.3% 0.205 331.0);

Tailwind

colors: {
  custom: {
    50: '#ce79c4',
    500: '#b437ab',
    950: '#000000',
  },
}

SCSS

$custom: #b437ab;
$custom-light: #ce79c4;
$custom-dark: #000000;

JSON

{
  "hex": "#b437ab",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 171
  },
  "hsl": {
    "h": 304.32,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56268,
    "c": 0.20512,
    "h": 331
  },
  "luminance": 0.15376
}

Semantic roles & 50–950 ramp

primary

#B437AB

secondary

#81C686

accent

#DD564B

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B437AB

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

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