#B437B7#B437B7

#B437B7 is a mid, highly saturated purple. Relative luminance 0.159; OKLCH L 56.9% C 0.214 H 326.9°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX#B437B7
RGBrgb(180, 55, 183)
HSLhsl(299, 54%, 47%)
HSVhsv(299, 70%, 72%)
CMYKcmyk(1.6%, 69.9%, 0%, 28.2%)
CIE-LABlab(46.79, 64.95, -42.19)
CIE-LCHlch(46.79, 77.45, 327.00°)
OKLaboklab(56.93% 0.1798 -0.117)
OKLCHoklch(56.93% 0.214 326.9)
XYZxyz(28.7353, 15.8565, 46.3377)
Luminance0.1585 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B437B7 #3AB737
analogous
#7437B7 #B437B7 #B7377A
triadic
#B437B7 #B7B437 #37B7B4
tetradic
#B437B7 #B77437 #3AB737 #377AB7
square
#B437B7 #B77437 #3AB737 #377AB7
split-complementary
#B437B7 #7AB737 #37B774
monochromatic
#571B59 #862988 #B437B7 #CC5DCE #DB8CDC

Accessibility & contrast

On white

5.03
#B437B7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.17
#B437B7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B437B7
5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B437B7#FFFFFF#000000##FFFFFF
##B437B71.005.034.175.03
#FFFFFF5.031.0021.001.00
#0000004.1721.001.0021.00
##FFFFFF5.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E65BB
Deuteranopia (green-blind)
#5674B4
Tritanopia (blue-blind)
#B94B73
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #b437b7;
/* rgb */ color: rgb(180, 55, 183);
/* oklch */ color: oklch(56.9% 0.214 326.9);
Tailwind
colors: {
  custom: {
    50: '#ce79cd',
    500: '#b437b7',
    950: '#000000',
  },
}
SCSS
$custom: #b437b7;
$custom-light: #ce79cd;
$custom-dark: #000000;
JSON
{
  "hex": "#b437b7",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 183
  },
  "hsl": {
    "h": 298.594,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56933,
    "c": 0.21447,
    "h": 326.9
  },
  "luminance": 0.15855
}

Semantic roles & 50–950 ramp

primary
#B437B7
secondary
#85C783
accent
#DD4B4E
background
#FDF7FC
surface
#FAEEF9
border
#D3C9D2
text
#140A13
muted
#837C82

Preview Lab

Preview with #B437B7

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

Preview Lab → · Contrast checker → · Palette generator →

#B437B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva