#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
RGBrgb(187, 55, 196)
HSLhsl(296, 56%, 49%)
HSVhsv(296, 72%, 77%)
CMYKcmyk(4.6%, 71.9%, 0%, 23.1%)
CIE-LABlab(48.62, 68.67, -46.78)
CIE-LCHlch(48.62, 83.09, 325.74°)
OKLaboklab(58.69% 0.1873 -0.1301)
OKLCHoklch(58.69% 0.228 325.2)
XYZxyz(31.8228, 17.2848, 53.8740)
Luminance0.1728 (WCAG relative)
Temperatureneutral
Familypurple

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
##BB37C41.004.714.464.71
#FFFFFF4.711.0021.001.00
#0000004.4621.001.0021.00
##FFFFFF4.711.0021.001.00

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 →

#BB37C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva