#B437B5#B437B5

#B437B5 is a mid, highly saturated purple. Relative luminance 0.158; OKLCH L 56.8% C 0.213 H 327.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX#B437B5
RGBrgb(180, 55, 181)
HSLhsl(300, 53%, 46%)
HSVhsv(300, 70%, 71%)
CMYKcmyk(0.6%, 69.6%, 0%, 29%)
CIE-LABlab(46.68, 64.62, -41.19)
CIE-LCHlch(46.68, 76.63, 327.49°)
OKLaboklab(56.82% 0.1798 -0.1141)
OKLCHoklch(56.82% 0.213 327.6)
XYZxyz(28.5287, 15.7739, 45.2492)
Luminance0.1577 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B437B5 #38B537
analogous
#7537B5 #B437B5 #B53777
triadic
#B437B5 #B5B437 #37B5B4
tetradic
#B437B5 #B57537 #38B537 #3777B5
square
#B437B5 #B57537 #38B537 #3777B5
split-complementary
#B437B5 #77B537 #37B575
monochromatic
#571A57 #852986 #B437B5 #CD5CCD #DB8BDC

Accessibility & contrast

On white

5.05
#B437B5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.15
#B437B5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B437B5
5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B437B5#FFFFFF#000000##FFFFFF
##B437B51.005.054.155.05
#FFFFFF5.051.0021.001.00
#0000004.1521.001.0021.00
##FFFFFF5.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2164B9
Deuteranopia (green-blind)
#5774B2
Tritanopia (blue-blind)
#B94A72
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #b437b5;
/* rgb */ color: rgb(180, 55, 181);
/* oklch */ color: oklch(56.8% 0.213 327.6);
Tailwind
colors: {
  custom: {
    50: '#ce79cc',
    500: '#b437b5',
    950: '#000000',
  },
}
SCSS
$custom: #b437b5;
$custom-light: #ce79cc;
$custom-dark: #000000;
JSON
{
  "hex": "#b437b5",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 181
  },
  "hsl": {
    "h": 299.524,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56819,
    "c": 0.21289,
    "h": 327.6
  },
  "luminance": 0.15772
}

Semantic roles & 50–950 ramp

primary
#B437B5
secondary
#82C682
accent
#DD4B4C
background
#FDF7FC
surface
#FAEEF9
border
#D3C9D2
text
#140A13
muted
#837C82

Preview Lab

Preview with #B437B5

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

Preview Lab → · Contrast checker → · Palette generator →

#B437B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva