#BB37B3#BB37B3

#BB37B3 is a mid, highly saturated purple. Relative luminance 0.166; OKLCH L 57.7% C 0.215 H 330.6°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#BB37B3
RGB	rgb(187, 55, 179)
HSL	hsl(304, 55%, 47%)
HSV	hsv(304, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 4.3%, 26.7%)
CIE-LAB	lab(47.69, 65.88, -38.33)
CIE-LCH	lch(47.69, 76.22, 329.81°)
OKLab	oklab(57.73% 0.1872 -0.1056)
OKLCH	oklch(57.73% 0.215 330.6)
XYZ	xyz(29.9963, 16.5542, 44.2545)
Luminance	0.1655 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB37B3 #37BB3F

analogous

#8137BB #BB37B3 #BB3771

triadic

#BB37B3 #B3BB37 #37B3BB

tetradic

#BB37B3 #BB8137 #37BB3F #3771BB

square

#BB37B3 #BB8137 #37BB3F #3771BB

split-complementary

#BB37B3 #71BB37 #37BB81

monochromatic

#5C1B58 #8C2986 #BB37B3 #D05FC9 #DE8ED9

Accessibility & contrast

On white

4.87

#BB37B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#BB37B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB37B3

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB37B3	#FFFFFF	#000000	##FFFFFF
##BB37B3	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A66B6

Deuteranopia (green-blind)

#5E78B0

Tritanopia (blue-blind)

#C24771

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #bb37b3;
/* rgb */ color: rgb(187, 55, 179);
/* oklch */ color: oklch(57.7% 0.215 330.6);

Tailwind

colors: {
  custom: {
    50: '#d37aca',
    500: '#bb37b3',
    950: '#000000',
  },
}

SCSS

$custom: #bb37b3;
$custom-light: #d37aca;
$custom-dark: #000000;

JSON

{
  "hex": "#bb37b3",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 179
  },
  "hsl": {
    "h": 303.636,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57734,
    "c": 0.2149,
    "h": 330.6
  },
  "luminance": 0.16552
}

Semantic roles & 50–950 ramp

primary

#BB37B3

secondary

#85C989

accent

#DE534A

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#150A13

muted

#837C82

Preview Lab

Preview with #BB37B3

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

Preview Lab → · Contrast checker → · Palette generator →