#644DC9#644DC9

#644DC9 is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.4% C 0.184 H 286.5°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX#644DC9
RGBrgb(100, 77, 201)
HSLhsl(251, 53%, 55%)
HSVhsv(251, 62%, 79%)
CMYKcmyk(50.2%, 61.7%, 0%, 21.2%)
CIE-LABlab(41.58, 41.29, -61.56)
CIE-LCHlch(41.58, 74.13, 303.85°)
OKLaboklab(51.38% 0.0523 -0.1763)
OKLCHoklch(51.38% 0.184 286.5)
XYZxyz(18.4489, 12.2332, 56.6362)
Luminance0.1223 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644DC9 #B2C94D
analogous
#4D74C9 #644DC9 #A24DC9
triadic
#644DC9 #C9644D #4DC964
tetradic
#644DC9 #C94D74 #B2C94D #4DC9A2
square
#644DC9 #C94D74 #B2C94D #4DC9A2
split-complementary
#644DC9 #C9A24D #74C94D
monochromatic
#342477 #4832A6 #644DC9 #8D7CD7 #B6ABE5

Accessibility & contrast

On white

6.09
#644DC9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.45
#644DC9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DC9
6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644DC9#FFFFFF#000000##FFFFFF
##644DC91.006.093.456.09
#FFFFFF6.091.0021.001.00
#0000003.4521.001.0021.00
##FFFFFF6.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0065CD
Deuteranopia (green-blind)
#005FC6
Tritanopia (blue-blind)
#3F6A84
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #644dc9;
/* rgb */ color: rgb(100, 77, 201);
/* oklch */ color: oklch(51.4% 0.184 286.5);
Tailwind
colors: {
  custom: {
    50: '#9880da',
    500: '#644dc9',
    950: '#000000',
  },
}
SCSS
$custom: #644dc9;
$custom-light: #9880da;
$custom-dark: #000000;
JSON
{
  "hex": "#644dc9",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 201
  },
  "hsl": {
    "h": 251.129,
    "s": 53.448,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51382,
    "c": 0.18393,
    "h": 286.5
  },
  "luminance": 0.12234
}

Semantic roles & 50–950 ramp

primary
#644DC9
secondary
#C9D39F
accent
#DD4BC2
background
#F9F7FD
surface
#F2EEFB
border
#CCC9D4
text
#0E0A15
muted
#7E7C83

Preview Lab

Preview with #644DC9

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

Preview Lab → · Contrast checker → · Palette generator →

#644DC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva