#644DC6#644DC6

#644DC6 is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.2% C 0.180 H 286.9°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#644DC6
RGBrgb(100, 77, 198)
HSLhsl(251, 51%, 54%)
HSVhsv(251, 61%, 78%)
CMYKcmyk(49.5%, 61.1%, 0%, 22.4%)
CIE-LABlab(41.36, 40.40, -60.18)
CIE-LCHlch(41.36, 72.48, 303.87°)
OKLaboklab(51.15% 0.0525 -0.1723)
OKLCHoklch(51.15% 0.18 286.9)
XYZxyz(18.0995, 12.0935, 54.7957)
Luminance0.1209 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644DC6 #AFC64D
analogous
#4D73C6 #644DC6 #A14DC6
triadic
#644DC6 #C6644D #4DC664
tetradic
#644DC6 #C64D73 #AFC64D #4DC6A1
square
#644DC6 #C64D73 #AFC64D #4DC6A1
split-complementary
#644DC6 #C6A14D #73C64D
monochromatic
#342574 #4934A2 #644DC6 #8C7BD5 #B5AAE4

Accessibility & contrast

On white

6.14
#644DC6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.42
#644DC6 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DC6
6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644DC6#FFFFFF#000000##FFFFFF
##644DC61.006.143.426.14
#FFFFFF6.141.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0065CA
Deuteranopia (green-blind)
#005EC3
Tritanopia (blue-blind)
#416982
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #644dc6;
/* rgb */ color: rgb(100, 77, 198);
/* oklch */ color: oklch(51.2% 0.180 286.9);
Tailwind
colors: {
  custom: {
    50: '#9880d8',
    500: '#644dc6',
    950: '#000000',
  },
}
SCSS
$custom: #644dc6;
$custom-light: #9880d8;
$custom-dark: #000000;
JSON
{
  "hex": "#644dc6",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 198
  },
  "hsl": {
    "h": 251.405,
    "s": 51.489,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51152,
    "c": 0.1801,
    "h": 286.9
  },
  "luminance": 0.12094
}

Semantic roles & 50–950 ramp

primary
#644DC6
secondary
#C7D19E
accent
#DB4DC0
background
#F9F7FD
surface
#F2EEFA
border
#CCC9D3
text
#0E0A15
muted
#7E7C83

Preview Lab

Preview with #644DC6

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

Preview Lab → · Contrast checker → · Palette generator →

#644DC6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva