#BB37B0#BB37B0

#BB37B0 is a mid, highly saturated purple. Relative luminance 0.164; OKLCH L 57.6% C 0.213 H 331.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#BB37B0
RGB	rgb(187, 55, 176)
HSL	hsl(305, 55%, 47%)
HSV	hsv(305, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 5.9%, 26.7%)
CIE-LAB	lab(47.54, 65.40, -36.81)
CIE-LCH	lch(47.54, 75.05, 330.63°)
OKLab	oklab(57.57% 0.187 -0.1012)
OKLCH	oklch(57.57% 0.213 331.6)
XYZ	xyz(29.6962, 16.4341, 42.6739)
Luminance	0.1643 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB37B0 #37BB42

analogous

#8437BB #BB37B0 #BB376E

triadic

#BB37B0 #B0BB37 #37B0BB

tetradic

#BB37B0 #BB8437 #37BB42 #376EBB

square

#BB37B0 #BB8437 #37BB42 #376EBB

split-complementary

#BB37B0 #6EBB37 #37BB84

monochromatic

#5C1B57 #8C2983 #BB37B0 #D05FC7 #DE8ED7

Accessibility & contrast

On white

4.90

#BB37B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#BB37B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB37B0

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB37B0	#FFFFFF	#000000	##FFFFFF
##BB37B0	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E65B3

Deuteranopia (green-blind)

#6077AD

Tritanopia (blue-blind)

#C34670

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #bb37b0;
/* rgb */ color: rgb(187, 55, 176);
/* oklch */ color: oklch(57.6% 0.213 331.6);

Tailwind

colors: {
  custom: {
    50: '#d37ac8',
    500: '#bb37b0',
    950: '#000000',
  },
}

SCSS

$custom: #bb37b0;
$custom-light: #d37ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#bb37b0",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 176
  },
  "hsl": {
    "h": 305,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57573,
    "c": 0.21266,
    "h": 331.6
  },
  "luminance": 0.16432
}

Semantic roles & 50–950 ramp

primary

#BB37B0

secondary

#85C98B

accent

#DE564A

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#150A13

muted

#837C82

Preview Lab

Preview with #BB37B0

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

Preview Lab → · Contrast checker → · Palette generator →