#643384#643384

#643384 is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.3% C 0.135 H 309.7°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX#643384
RGBrgb(100, 51, 132)
HSLhsl(276, 44%, 36%)
HSVhsv(276, 61%, 52%)
CMYKcmyk(24.2%, 61.4%, 0%, 48.2%)
CIE-LABlab(31.21, 37.19, -36.96)
CIE-LCHlch(31.21, 52.43, 315.18°)
OKLaboklab(42.29% 0.0864 -0.104)
OKLCHoklch(42.29% 0.135 309.7)
XYZxyz(10.6034, 6.7431, 22.5683)
Luminance0.0674 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643384 #538433
analogous
#3B3384 #643384 #84337B
triadic
#643384 #846433 #338464
tetradic
#643384 #843B33 #538433 #337B84
square
#643384 #843B33 #538433 #337B84
split-complementary
#643384 #7B8433 #33843B
monochromatic
#21112C #432258 #643384 #8544B0 #A26BC6

Accessibility & contrast

On white

8.94
#643384 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#643384 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643384
8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643384#FFFFFF#000000##FFFFFF
##6433841.008.942.358.94
#FFFFFF8.941.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#144787
Deuteranopia (green-blind)
#2A4A82
Tritanopia (blue-blind)
#604256
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #643384;
/* rgb */ color: rgb(100, 51, 132);
/* oklch */ color: oklch(42.3% 0.135 309.7);
Tailwind
colors: {
  custom: {
    50: '#936da8',
    500: '#643384',
    950: '#000000',
  },
}
SCSS
$custom: #643384;
$custom-light: #936da8;
$custom-dark: #000000;
JSON
{
  "hex": "#643384",
  "rgb": {
    "r": 100,
    "g": 51,
    "b": 132
  },
  "hsl": {
    "h": 276.296,
    "s": 44.262,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42292,
    "c": 0.13524,
    "h": 309.7
  },
  "luminance": 0.06743
}

Semantic roles & 50–950 ramp

primary
#643384
secondary
#82AE65
accent
#D45486
background
#F9F6FA
surface
#F2ECF4
border
#CCC7CE
text
#0D0710
muted
#7E7A7F

Preview Lab

Preview with #643384

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

Preview Lab → · Contrast checker → · Palette generator →

#643384 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva