#B737AB#B737AB

#B737AB is a mid, highly saturated purple. Relative luminance 0.157; OKLCH L 56.7% C 0.207 H 332.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#B737AB
RGBrgb(183, 55, 171)
HSLhsl(306, 54%, 47%)
HSVhsv(306, 70%, 72%)
CMYKcmyk(0%, 69.9%, 6.6%, 28.2%)
CIE-LABlab(46.63, 63.69, -35.33)
CIE-LCHlch(46.63, 72.83, 330.98°)
OKLaboklab(56.71% 0.1826 -0.0971)
OKLCHoklch(56.71% 0.207 332)
XYZxyz(28.2453, 15.7422, 40.0711)
Luminance0.1574 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B737AB #37B743
analogous
#8337B7 #B737AB #B7376B
triadic
#B737AB #ABB737 #37ABB7
tetradic
#B737AB #B78337 #37B743 #376BB7
square
#B737AB #B78337 #37B743 #376BB7
split-complementary
#B737AB #6BB737 #37B783
monochromatic
#591B53 #88297F #B737AB #CE5DC4 #DC8CD5

Accessibility & contrast

On white

5.06
#B737AB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.15
#B737AB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B737AB
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B737AB#FFFFFF#000000##FFFFFF
##B737AB1.005.064.155.06
#FFFFFF5.061.0021.001.00
#0000004.1521.001.0021.00
##FFFFFF5.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F63AE
Deuteranopia (green-blind)
#5F75A8
Tritanopia (blue-blind)
#BF446D
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #b737ab;
/* rgb */ color: rgb(183, 55, 171);
/* oklch */ color: oklch(56.7% 0.207 332.0);
Tailwind
colors: {
  custom: {
    50: '#d079c4',
    500: '#b737ab',
    950: '#000000',
  },
}
SCSS
$custom: #b737ab;
$custom-light: #d079c4;
$custom-dark: #000000;
JSON
{
  "hex": "#b737ab",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 171
  },
  "hsl": {
    "h": 305.625,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56713,
    "c": 0.20675,
    "h": 332
  },
  "luminance": 0.1574
}

Semantic roles & 50–950 ramp

primary
#B737AB
secondary
#83C789
accent
#DD584B
background
#FDF7FC
surface
#FAEEF8
border
#D3C9D1
text
#140A13
muted
#837C82

Preview Lab

Preview with #B737AB

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

Preview Lab → · Contrast checker → · Palette generator →

#B737AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva