#BB37B5#BB37B5

#BB37B5 is a mid, highly saturated purple. Relative luminance 0.166; OKLCH L 57.8% C 0.216 H 329.9°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#BB37B5
RGB	rgb(187, 55, 181)
HSL	hsl(303, 55%, 47%)
HSV	hsv(303, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 3.2%, 26.7%)
CIE-LAB	lab(47.80, 66.20, -39.34)
CIE-LCH	lch(47.80, 77.00, 329.28°)
OKLab	oklab(57.84% 0.1872 -0.1085)
OKLCH	oklch(57.84% 0.216 329.9)
XYZ	xyz(30.2000, 16.6357, 45.3275)
Luminance	0.1663 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB37B5 #37BB3D

analogous

#7F37BB #BB37B5 #BB3773

triadic

#BB37B5 #B5BB37 #37B5BB

tetradic

#BB37B5 #BB7F37 #37BB3D #3773BB

square

#BB37B5 #BB7F37 #37BB3D #3773BB

split-complementary

#BB37B5 #73BB37 #37BB7F

monochromatic

#5C1B59 #8C2987 #BB37B5 #D05FCB #DE8EDA

Accessibility & contrast

On white

4.85

#BB37B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#BB37B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB37B5

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB37B5	#FFFFFF	#000000	##FFFFFF
##BB37B5	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2866B9

Deuteranopia (green-blind)

#5D78B2

Tritanopia (blue-blind)

#C24872

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #bb37b5;
/* rgb */ color: rgb(187, 55, 181);
/* oklch */ color: oklch(57.8% 0.216 329.9);

Tailwind

colors: {
  custom: {
    50: '#d37acb',
    500: '#bb37b5',
    950: '#000000',
  },
}

SCSS

$custom: #bb37b5;
$custom-light: #d37acb;
$custom-dark: #000000;

JSON

{
  "hex": "#bb37b5",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 181
  },
  "hsl": {
    "h": 302.727,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57843,
    "c": 0.21642,
    "h": 329.9
  },
  "luminance": 0.16633
}

Semantic roles & 50–950 ramp

primary

#BB37B5

secondary

#85C988

accent

#DE514A

background

#FDF7FC

surface

#FAEEF9

border

#D3C9D2

text

#150A13

muted

#837C82

Preview Lab

Preview with #BB37B5

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

Preview Lab → · Contrast checker → · Palette generator →