#644AD5#644AD5

#644AD5 is a mid, highly saturated violet. Relative luminance 0.124; OKLCH L 51.9% C 0.203 H 285.5°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#644AD5
RGBrgb(100, 74, 213)
HSLhsl(251, 62%, 56%)
HSVhsv(251, 65%, 84%)
CMYKcmyk(53.1%, 65.3%, 0%, 16.5%)
CIE-LABlab(41.86, 46.56, -68.03)
CIE-LCHlch(41.86, 82.44, 304.39°)
OKLaboklab(51.87% 0.0541 -0.1954)
OKLCHoklch(51.87% 0.203 285.5)
XYZxyz(19.7109, 12.4099, 64.2946)
Luminance0.1241 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644AD5 #BBD54A
analogous
#4A76D5 #644AD5 #AA4AD5
triadic
#644AD5 #D5644A #4AD564
tetradic
#644AD5 #D54A76 #BBD54A #4AD5AA
square
#644AD5 #D54A76 #BBD54A #4AD5AA
split-complementary
#644AD5 #D5AA4A #76D54A
monochromatic
#321F86 #452BB7 #644AD5 #8F7CE1 #B9ADEC

Accessibility & contrast

On white

6.03
#644AD5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.48
#644AD5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AD5
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644AD5#FFFFFF#000000##FFFFFF
##644AD51.006.033.486.03
#FFFFFF6.031.0021.001.00
#0000003.4821.001.0021.00
##FFFFFF6.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0067D9
Deuteranopia (green-blind)
#005FD2
Tritanopia (blue-blind)
#356D89
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #644ad5;
/* rgb */ color: rgb(100, 74, 213);
/* oklch */ color: oklch(51.9% 0.203 285.5);
Tailwind
colors: {
  custom: {
    50: '#9a7ee3',
    500: '#644ad5',
    950: '#000000',
  },
}
SCSS
$custom: #644ad5;
$custom-light: #9a7ee3;
$custom-dark: #000000;
JSON
{
  "hex": "#644ad5",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 213
  },
  "hsl": {
    "h": 251.223,
    "s": 62.332,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51869,
    "c": 0.20272,
    "h": 285.5
  },
  "luminance": 0.12411
}

Semantic roles & 50–950 ramp

primary
#644AD5
secondary
#CFDAA1
accent
#E542C7
background
#FAF7FE
surface
#F3EEFC
border
#CDC9D5
text
#0F0A16
muted
#7F7C84

Preview Lab

Preview with #644AD5

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

Preview Lab → · Contrast checker → · Palette generator →

#644AD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva