#BB37A7#BB37A7

#BB37A7 is a mid, highly saturated purple. Relative luminance 0.161; OKLCH L 57.1% C 0.206 H 334.7°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#BB37A7
RGB	rgb(187, 55, 167)
HSL	hsl(309, 55%, 47%)
HSV	hsv(309, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 10.7%, 26.7%)
CIE-LAB	lab(47.09, 64.02, -32.20)
CIE-LCH	lch(47.09, 71.66, 333.30°)
OKLab	oklab(57.11% 0.1863 -0.088)
OKLCH	oklch(57.11% 0.206 334.7)
XYZ	xyz(28.8351, 16.0897, 38.1387)
Luminance	0.1609 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB37A7 #37BB4B

analogous

#8D37BB #BB37A7 #BB3765

triadic

#BB37A7 #A7BB37 #37A7BB

tetradic

#BB37A7 #BB8D37 #37BB4B #3765BB

square

#BB37A7 #BB8D37 #37BB4B #3765BB

split-complementary

#BB37A7 #65BB37 #37BB8D

monochromatic

#5C1B53 #8C297D #BB37A7 #D05FBF #DE8ED2

Accessibility & contrast

On white

4.98

#BB37A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#BB37A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB37A7

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB37A7	#FFFFFF	#000000	##FFFFFF
##BB37A7	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3663AA

Deuteranopia (green-blind)

#6477A4

Tritanopia (blue-blind)

#C4416B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #bb37a7;
/* rgb */ color: rgb(187, 55, 167);
/* oklch */ color: oklch(57.1% 0.206 334.7);

Tailwind

colors: {
  custom: {
    50: '#d37ac1',
    500: '#bb37a7',
    950: '#000000',
  },
}

SCSS

$custom: #bb37a7;
$custom-light: #d37ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#bb37a7",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 167
  },
  "hsl": {
    "h": 309.091,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57105,
    "c": 0.20607,
    "h": 334.7
  },
  "luminance": 0.16087
}

Semantic roles & 50–950 ramp

primary

#BB37A7

secondary

#85C98F

accent

#DE604A

background

#FDF7FB

surface

#FAEEF7

border

#D3C9D0

text

#150A12

muted

#837C81

Preview Lab

Preview with #BB37A7

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

Preview Lab → · Contrast checker → · Palette generator →