#644ACA#644ACA

#644ACA is a mid, vivid violet. Relative luminance 0.119; OKLCH L 51.0% C 0.189 H 287.0°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX#644ACA
RGBrgb(100, 74, 202)
HSLhsl(252, 55%, 54%)
HSVhsv(252, 63%, 79%)
CMYKcmyk(50.5%, 63.4%, 0%, 20.8%)
CIE-LABlab(41.01, 43.31, -63.08)
CIE-LCHlch(41.01, 76.52, 304.48°)
OKLaboklab(50.99% 0.0553 -0.1808)
OKLCHoklch(50.99% 0.189 287)
XYZxyz(18.3618, 11.8703, 57.1893)
Luminance0.1187 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644ACA #B0CA4A
analogous
#4A70CA #644ACA #A44ACA
triadic
#644ACA #CA644A #4ACA64
tetradic
#644ACA #CA4A70 #B0CA4A #4ACAA4
square
#644ACA #CA4A70 #B0CA4A #4ACAA4
split-complementary
#644ACA #CAA44A #70CA4A
monochromatic
#342377 #4931A6 #644ACA #8D79D8 #B5A9E6

Accessibility & contrast

On white

6.22
#644ACA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.37
#644ACA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ACA
6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644ACA#FFFFFF#000000##FFFFFF
##644ACA1.006.223.376.22
#FFFFFF6.221.0021.001.00
#0000003.3721.001.0021.00
##FFFFFF6.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0064CE
Deuteranopia (green-blind)
#005DC7
Tritanopia (blue-blind)
#3F6983
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #644aca;
/* rgb */ color: rgb(100, 74, 202);
/* oklch */ color: oklch(51.0% 0.189 287.0);
Tailwind
colors: {
  custom: {
    50: '#987edb',
    500: '#644aca',
    950: '#000000',
  },
}
SCSS
$custom: #644aca;
$custom-light: #987edb;
$custom-dark: #000000;
JSON
{
  "hex": "#644aca",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 202
  },
  "hsl": {
    "h": 252.188,
    "s": 54.701,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50986,
    "c": 0.18906,
    "h": 287
  },
  "luminance": 0.11871
}

Semantic roles & 50–950 ramp

primary
#644ACA
secondary
#C8D39D
accent
#DE4AC0
background
#F9F7FD
surface
#F2EEFB
border
#CCC9D4
text
#0F0A15
muted
#7E7C83

Preview Lab

Preview with #644ACA

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

Preview Lab → · Contrast checker → · Palette generator →

#644ACA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva