#644EC0#644EC0

#644EC0 is a mid, vivid violet. Relative luminance 0.120; OKLCH L 50.9% C 0.171 H 287.6°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#644EC0
RGBrgb(100, 78, 192)
HSLhsl(252, 48%, 53%)
HSVhsv(252, 59%, 75%)
CMYKcmyk(47.9%, 59.4%, 0%, 24.7%)
CIE-LABlab(41.16, 38.03, -57.02)
CIE-LCHlch(41.16, 68.55, 303.70°)
OKLaboklab(50.86% 0.0517 -0.163)
OKLCHoklch(50.86% 0.171 287.6)
XYZxyz(17.4916, 11.9631, 51.2464)
Luminance0.1196 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644EC0 #AAC04E
analogous
#4E71C0 #644EC0 #9D4EC0
triadic
#644EC0 #C0644E #4EC064
tetradic
#644EC0 #C04E71 #AAC04E #4EC09D
square
#644EC0 #C04E71 #AAC04E #4EC09D
split-complementary
#644EC0 #C09D4E #71C04E
monochromatic
#34276D #4A379A #644EC0 #8C7BD0 #B3A8E0

Accessibility & contrast

On white

6.19
#644EC0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.39
#644EC0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC0
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644EC0#FFFFFF#000000##FFFFFF
##644EC01.006.193.396.19
#FFFFFF6.191.0021.001.00
#0000003.3921.001.0021.00
##FFFFFF6.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0064C4
Deuteranopia (green-blind)
#005EBE
Tritanopia (blue-blind)
#45687F
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #644ec0;
/* rgb */ color: rgb(100, 78, 192);
/* oklch */ color: oklch(50.9% 0.171 287.6);
Tailwind
colors: {
  custom: {
    50: '#9780d4',
    500: '#644ec0',
    950: '#000000',
  },
}
SCSS
$custom: #644ec0;
$custom-light: #9780d4;
$custom-dark: #000000;
JSON
{
  "hex": "#644ec0",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 192
  },
  "hsl": {
    "h": 251.579,
    "s": 47.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50864,
    "c": 0.17098,
    "h": 287.6
  },
  "luminance": 0.11964
}

Semantic roles & 50–950 ramp

primary
#644EC0
secondary
#C4CE9C
accent
#D751BD
background
#F9F7FD
surface
#F2EEFA
border
#CCC9D3
text
#0E0A14
muted
#7E7C83

Preview Lab

Preview with #644EC0

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

Preview Lab → · Contrast checker → · Palette generator →

#644EC0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva