#C637B1#C637B1

#C637B1 is a mid, highly saturated purple. Relative luminance 0.179; OKLCH L 59.3% C 0.219 H 334.6°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX#C637B1
RGBrgb(198, 55, 177)
HSLhsl(309, 57%, 50%)
HSVhsv(309, 72%, 78%)
CMYKcmyk(0%, 72.2%, 10.6%, 22.4%)
CIE-LABlab(49.39, 68.10, -34.36)
CIE-LCHlch(49.39, 76.27, 333.23°)
OKLaboklab(59.27% 0.1982 -0.094)
OKLCHoklch(59.27% 0.219 334.6)
XYZxyz(32.5910, 17.9153, 43.3280)
Luminance0.1791 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C637B1 #37C64C
analogous
#9437C6 #C637B1 #C6376A
triadic
#C637B1 #B1C637 #37B1C6
tetradic
#C637B1 #C69437 #37C64C #376AC6
square
#C637B1 #C69437 #37C64C #376AC6
split-complementary
#C637B1 #6AC637 #37C694
monochromatic
#661C5B #962A86 #C637B1 #D466C4 #E296D7

Accessibility & contrast

On white

4.58
#C637B1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.58
#C637B1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C637B1
4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C637B1#FFFFFF#000000##000000
##C637B11.004.584.584.58
#FFFFFF4.581.0021.0021.00
#0000004.5821.001.001.00
##0000004.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#3568B4
Deuteranopia (green-blind)
#697DAE
Tritanopia (blue-blind)
#D04370
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #c637b1;
/* rgb */ color: rgb(198, 55, 177);
/* oklch */ color: oklch(59.3% 0.219 334.6);
Tailwind
colors: {
  custom: {
    50: '#db7bc8',
    500: '#c637b1',
    950: '#000000',
  },
}
SCSS
$custom: #c637b1;
$custom-light: #db7bc8;
$custom-dark: #000000;
JSON
{
  "hex": "#c637b1",
  "rgb": {
    "r": 198,
    "g": 55,
    "b": 177
  },
  "hsl": {
    "h": 308.811,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.59271,
    "c": 0.21936,
    "h": 334.6
  },
  "luminance": 0.17912
}

Semantic roles & 50–950 ramp

primary
#C637B1
secondary
#8CCD95
accent
#E05E48
background
#FDF8FC
surface
#FBEFF8
border
#D4CAD1
text
#150A13
muted
#837C82

Preview Lab

Preview with #C637B1

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

Preview Lab → · Contrast checker → · Palette generator →

#C637B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva