#B437B3#B437B3

#B437B3 is a mid, highly saturated purple. Relative luminance 0.157; OKLCH L 56.7% C 0.211 H 328.3°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#B437B3
RGB	rgb(180, 55, 179)
HSL	hsl(300, 53%, 46%)
HSV	hsv(300, 69%, 71%)
CMYK	cmyk(0%, 69.4%, 0.6%, 29.4%)
CIE-LAB	lab(46.57, 64.28, -40.18)
CIE-LCH	lch(46.57, 75.81, 327.99°)
OKLab	oklab(56.71% 0.1797 -0.1112)
OKLCH	oklch(56.71% 0.211 328.3)
XYZ	xyz(28.3249, 15.6924, 44.1761)
Luminance	0.1569 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B437B3 #37B438

analogous

#7637B4 #B437B3 #B43774

triadic

#B437B3 #B3B437 #37B3B4

tetradic

#B437B3 #B47637 #37B438 #3774B4

square

#B437B3 #B47637 #37B438 #3774B4

split-complementary

#B437B3 #74B437 #37B476

monochromatic

#561A56 #852984 #B437B3 #CD5BCC #DB8ADB

Accessibility & contrast

On white

5.07

#B437B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#B437B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B437B3

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B437B3	#FFFFFF	#000000	##FFFFFF
##B437B3	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2464B6

Deuteranopia (green-blind)

#5874B0

Tritanopia (blue-blind)

#BA4971

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b437b3;
/* rgb */ color: rgb(180, 55, 179);
/* oklch */ color: oklch(56.7% 0.211 328.3);

Tailwind

colors: {
  custom: {
    50: '#ce79ca',
    500: '#b437b3',
    950: '#000000',
  },
}

SCSS

$custom: #b437b3;
$custom-light: #ce79ca;
$custom-dark: #000000;

JSON

{
  "hex": "#b437b3",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 179
  },
  "hsl": {
    "h": 300.48,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56707,
    "c": 0.21132,
    "h": 328.3
  },
  "luminance": 0.1569
}

Semantic roles & 50–950 ramp

primary

#B437B3

secondary

#81C682

accent

#DD4C4B

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B437B3

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

Preview Lab → · Contrast checker → · Palette generator →