#B637BB#B637BB

#B637BB is a mid, highly saturated purple. Relative luminance 0.163; OKLCH L 57.5% C 0.219 H 326.3°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#B637BB
RGBrgb(182, 55, 187)
HSLhsl(298, 55%, 47%)
HSVhsv(298, 71%, 73%)
CMYKcmyk(2.7%, 70.6%, 0%, 26.7%)
CIE-LABlab(47.32, 66.07, -43.65)
CIE-LCHlch(47.32, 79.19, 326.55°)
OKLaboklab(57.45% 0.182 -0.1212)
OKLCHoklch(57.45% 0.219 326.3)
XYZxyz(29.6267, 16.2673, 48.5835)
Luminance0.1626 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B637BB #3CBB37
analogous
#7437BB #B637BB #BB377E
triadic
#B637BB #BBB637 #37BBB6
tetradic
#B637BB #BB7437 #3CBB37 #377EBB
square
#B637BB #BB7437 #3CBB37 #377EBB
split-complementary
#B637BB #7EBB37 #37BB74
monochromatic
#5A1B5C #88298C #B637BB #CC5FD0 #DB8EDE

Accessibility & contrast

On white

4.94
#B637BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.25
#B637BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B637BB
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B637BB#FFFFFF#000000##FFFFFF
##B637BB1.004.944.254.94
#FFFFFF4.941.0021.001.00
#0000004.2521.001.0021.00
##FFFFFF4.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1966BF
Deuteranopia (green-blind)
#5576B8
Tritanopia (blue-blind)
#BB4C76
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #b637bb;
/* rgb */ color: rgb(182, 55, 187);
/* oklch */ color: oklch(57.5% 0.219 326.3);
Tailwind
colors: {
  custom: {
    50: '#d07ad0',
    500: '#b637bb',
    950: '#000000',
  },
}
SCSS
$custom: #b637bb;
$custom-light: #d07ad0;
$custom-dark: #000000;
JSON
{
  "hex": "#b637bb",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 187
  },
  "hsl": {
    "h": 297.727,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57452,
    "c": 0.21862,
    "h": 326.3
  },
  "luminance": 0.16265
}

Semantic roles & 50–950 ramp

primary
#B637BB
secondary
#88C985
accent
#DE4A50
background
#FDF7FC
surface
#FAEEF9
border
#D3C9D2
text
#140A14
muted
#837C82

Preview Lab

Preview with #B637BB

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

Preview Lab → · Contrast checker → · Palette generator →

#B637BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva