#BB37C4#BB37C4

#BB37C4 is a mid, highly saturated purple. Relative luminance 0.173; OKLCH L 58.7% C 0.228 H 325.2°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#BB37C4
RGB	rgb(187, 55, 196)
HSL	hsl(296, 56%, 49%)
HSV	hsv(296, 72%, 77%)
CMYK	cmyk(4.6%, 71.9%, 0%, 23.1%)
CIE-LAB	lab(48.62, 68.67, -46.78)
CIE-LCH	lch(48.62, 83.09, 325.74°)
OKLab	oklab(58.69% 0.1873 -0.1301)
OKLCH	oklch(58.69% 0.228 325.2)
XYZ	xyz(31.8228, 17.2848, 53.8740)
Luminance	0.1728 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB37C4 #40C437

analogous

#7537C4 #BB37C4 #C43787

triadic

#BB37C4 #C4BB37 #37C4BB

tetradic

#BB37C4 #C47537 #40C437 #3787C4

square

#BB37C4 #C47537 #40C437 #3787C4

split-complementary

#BB37C4 #87C437 #37C475

monochromatic

#601C64 #8D2A94 #BB37C4 #CD65D4 #DC94E1

Accessibility & contrast

On white

4.71

#BB37C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#BB37C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB37C4

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB37C4	#FFFFFF	#000000	##FFFFFF
##BB37C4	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0969C8

Deuteranopia (green-blind)

#5479C1

Tritanopia (blue-blind)

#BF4F7B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #bb37c4;
/* rgb */ color: rgb(187, 55, 196);
/* oklch */ color: oklch(58.7% 0.228 325.2);

Tailwind

colors: {
  custom: {
    50: '#d37bd6',
    500: '#bb37c4',
    950: '#000000',
  },
}

SCSS

$custom: #bb37c4;
$custom-light: #d37bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#bb37c4",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 196
  },
  "hsl": {
    "h": 296.17,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.58694,
    "c": 0.22806,
    "h": 325.2
  },
  "luminance": 0.17283
}

Semantic roles & 50–950 ramp

primary

#BB37C4

secondary

#8FCC8B

accent

#DF4852

background

#FDF7FD

surface

#FBEEFA

border

#D4C9D3

text

#150A14

muted

#837C83

Preview Lab

Preview with #BB37C4

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

Preview Lab → · Contrast checker → · Palette generator →