#BB37B2#BB37B2

#BB37B2 is a mid, highly saturated purple. Relative luminance 0.165; OKLCH L 57.7% C 0.214 H 330.9°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#BB37B2
RGB	rgb(187, 55, 178)
HSL	hsl(304, 55%, 47%)
HSV	hsv(304, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 4.8%, 26.7%)
CIE-LAB	lab(47.64, 65.72, -37.83)
CIE-LCH	lch(47.64, 75.83, 330.08°)
OKLab	oklab(57.68% 0.1871 -0.1042)
OKLCH	oklch(57.68% 0.214 330.9)
XYZ	xyz(29.8955, 16.5139, 43.7238)
Luminance	0.1651 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB37B2 #37BB40

analogous

#8237BB #BB37B2 #BB3770

triadic

#BB37B2 #B2BB37 #37B2BB

tetradic

#BB37B2 #BB8237 #37BB40 #3770BB

square

#BB37B2 #BB8237 #37BB40 #3770BB

split-complementary

#BB37B2 #70BB37 #37BB82

monochromatic

#5C1B58 #8C2985 #BB37B2 #D05FC8 #DE8ED8

Accessibility & contrast

On white

4.88

#BB37B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#BB37B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB37B2

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB37B2	#FFFFFF	#000000	##FFFFFF
##BB37B2	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C65B5

Deuteranopia (green-blind)

#5F77AF

Tritanopia (blue-blind)

#C24771

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #bb37b2;
/* rgb */ color: rgb(187, 55, 178);
/* oklch */ color: oklch(57.7% 0.214 330.9);

Tailwind

colors: {
  custom: {
    50: '#d37ac9',
    500: '#bb37b2',
    950: '#000000',
  },
}

SCSS

$custom: #bb37b2;
$custom-light: #d37ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#bb37b2",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 178
  },
  "hsl": {
    "h": 304.091,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5768,
    "c": 0.21415,
    "h": 330.9
  },
  "luminance": 0.16512
}

Semantic roles & 50–950 ramp

primary

#BB37B2

secondary

#85C98A

accent

#DE544A

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#150A13

muted

#837C82

Preview Lab

Preview with #BB37B2

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

Preview Lab → · Contrast checker → · Palette generator →