#644183#644183

#644183 is a dark, moderate violet. Relative luminance 0.081; OKLCH L 44.5% C 0.110 H 307.0°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX#644183
RGBrgb(100, 65, 131)
HSLhsl(272, 34%, 38%)
HSVhsv(272, 50%, 51%)
CMYKcmyk(23.7%, 50.4%, 0%, 48.6%)
CIE-LABlab(34.25, 28.84, -31.51)
CIE-LCHlch(34.25, 42.72, 312.47°)
OKLaboklab(44.51% 0.0663 -0.0882)
OKLCHoklch(44.51% 0.11 307)
XYZxyz(11.2417, 8.1287, 22.4451)
Luminance0.0813 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644183 #608341
analogous
#434183 #644183 #834181
triadic
#644183 #836441 #418364
tetradic
#644183 #834341 #608341 #418183
square
#644183 #834341 #608341 #418183
split-complementary
#644183 #818341 #418343
monochromatic
#261831 #452D5A #644183 #8356AB #A17FBF

Accessibility & contrast

On white

8.00
#644183 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#644183 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644183
8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644183#FFFFFF#000000##FFFFFF
##6441831.008.002.638.00
#FFFFFF8.001.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF8.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F4F85
Deuteranopia (green-blind)
#395181
Tritanopia (blue-blind)
#5F4C5C
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #644183;
/* rgb */ color: rgb(100, 65, 131);
/* oklch */ color: oklch(44.5% 0.110 307.0);
Tailwind
colors: {
  custom: {
    50: '#9276a7',
    500: '#644183',
    950: '#000000',
  },
}
SCSS
$custom: #644183;
$custom-light: #9276a7;
$custom-dark: #000000;
JSON
{
  "hex": "#644183",
  "rgb": {
    "r": 100,
    "g": 65,
    "b": 131
  },
  "hsl": {
    "h": 271.818,
    "s": 33.673,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44509,
    "c": 0.11032,
    "h": 307
  },
  "luminance": 0.08129
}

Semantic roles & 50–950 ramp

primary
#644183
secondary
#8EAA76
accent
#CA5E91
background
#F9F7FA
surface
#F1EDF4
border
#CBC8CE
text
#0D080F
muted
#7E7B7F

Preview Lab

Preview with #644183

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

Preview Lab → · Contrast checker → · Palette generator →

#644183 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva