#BB37C5#BB37C5

#BB37C5 is a mid, highly saturated purple. Relative luminance 0.173; OKLCH L 58.8% C 0.229 H 324.9°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#BB37C5
RGBrgb(187, 55, 197)
HSLhsl(296, 56%, 49%)
HSVhsv(296, 72%, 77%)
CMYKcmyk(5.1%, 72.1%, 0%, 22.7%)
CIE-LABlab(48.67, 68.84, -47.27)
CIE-LCHlch(48.67, 83.51, 325.53°)
OKLaboklab(58.75% 0.1873 -0.1316)
OKLCHoklch(58.75% 0.229 324.9)
XYZxyz(31.9370, 17.3304, 54.4754)
Luminance0.1733 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB37C5 #41C537
analogous
#7437C5 #BB37C5 #C53788
triadic
#BB37C5 #C5BB37 #37C5BB
tetradic
#BB37C5 #C57437 #41C537 #3788C5
square
#BB37C5 #C57437 #41C537 #3788C5
split-complementary
#BB37C5 #88C537 #37C574
monochromatic
#601C65 #8E2A95 #BB37C5 #CC65D4 #DC95E1

Accessibility & contrast

On white

4.70
#BB37C5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#BB37C5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB37C5
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB37C5#FFFFFF#000000##FFFFFF
##BB37C51.004.704.474.70
#FFFFFF4.701.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0569C9
Deuteranopia (green-blind)
#5479C2
Tritanopia (blue-blind)
#BF4F7B
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #bb37c5;
/* rgb */ color: rgb(187, 55, 197);
/* oklch */ color: oklch(58.8% 0.229 324.9);
Tailwind
colors: {
  custom: {
    50: '#d37bd7',
    500: '#bb37c5',
    950: '#000000',
  },
}
SCSS
$custom: #bb37c5;
$custom-light: #d37bd7;
$custom-dark: #000000;
JSON
{
  "hex": "#bb37c5",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 197
  },
  "hsl": {
    "h": 295.775,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58753,
    "c": 0.22886,
    "h": 324.9
  },
  "luminance": 0.17328
}

Semantic roles & 50–950 ramp

primary
#BB37C5
secondary
#90CD8B
accent
#E04853
background
#FDF7FD
surface
#FBEEFA
border
#D4C9D3
text
#150A14
muted
#837C83

Preview Lab

Preview with #BB37C5

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

Preview Lab → · Contrast checker → · Palette generator →

#BB37C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva