#BB37B1#BB37B1

#BB37B1 is a mid, highly saturated purple. Relative luminance 0.165; OKLCH L 57.6% C 0.213 H 331.2°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#BB37B1
RGB	rgb(187, 55, 177)
HSL	hsl(305, 55%, 47%)
HSV	hsv(305, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 5.3%, 26.7%)
CIE-LAB	lab(47.59, 65.56, -37.32)
CIE-LCH	lch(47.59, 75.44, 330.35°)
OKLab	oklab(57.63% 0.1871 -0.1027)
OKLCH	oklch(57.63% 0.213 331.2)
XYZ	xyz(29.7955, 16.4738, 43.1969)
Luminance	0.1647 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB37B1 #37BB41

analogous

#8337BB #BB37B1 #BB376F

triadic

#BB37B1 #B1BB37 #37B1BB

tetradic

#BB37B1 #BB8337 #37BB41 #376FBB

square

#BB37B1 #BB8337 #37BB41 #376FBB

split-complementary

#BB37B1 #6FBB37 #37BB83

monochromatic

#5C1B57 #8C2984 #BB37B1 #D05FC7 #DE8ED8

Accessibility & contrast

On white

4.89

#BB37B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#BB37B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB37B1

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB37B1	#FFFFFF	#000000	##FFFFFF
##BB37B1	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D65B4

Deuteranopia (green-blind)

#5F77AE

Tritanopia (blue-blind)

#C24670

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #bb37b1;
/* rgb */ color: rgb(187, 55, 177);
/* oklch */ color: oklch(57.6% 0.213 331.2);

Tailwind

colors: {
  custom: {
    50: '#d37ac9',
    500: '#bb37b1',
    950: '#000000',
  },
}

SCSS

$custom: #bb37b1;
$custom-light: #d37ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#bb37b1",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 177
  },
  "hsl": {
    "h": 304.545,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57626,
    "c": 0.2134,
    "h": 331.2
  },
  "luminance": 0.16471
}

Semantic roles & 50–950 ramp

primary

#BB37B1

secondary

#85C98A

accent

#DE554A

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#150A13

muted

#837C82

Preview Lab

Preview with #BB37B1

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

Preview Lab → · Contrast checker → · Palette generator →