#644AD2#644AD2

#644AD2 is a mid, vivid violet. Relative luminance 0.123; OKLCH L 51.6% C 0.199 H 285.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX#644AD2
RGBrgb(100, 74, 210)
HSLhsl(251, 60%, 56%)
HSVhsv(251, 65%, 82%)
CMYKcmyk(52.4%, 64.8%, 0%, 17.6%)
CIE-LABlab(41.62, 45.67, -66.69)
CIE-LCHlch(41.62, 80.83, 304.40°)
OKLaboklab(51.63% 0.0545 -0.1914)
OKLCHoklch(51.63% 0.199 285.9)
XYZxyz(19.3337, 12.2590, 62.3078)
Luminance0.1226 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644AD2 #B8D24A
analogous
#4A74D2 #644AD2 #A84AD2
triadic
#644AD2 #D2644A #4AD264
tetradic
#644AD2 #D24A74 #B8D24A #4AD2A8
square
#644AD2 #D24A74 #B8D24A #4AD2A8
split-complementary
#644AD2 #D2A84A #74D24A
monochromatic
#332081 #462CB2 #644AD2 #8E7BDE #B8ACEA

Accessibility & contrast

On white

6.08
#644AD2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.45
#644AD2 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AD2
6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644AD2#FFFFFF#000000##FFFFFF
##644AD21.006.083.456.08
#FFFFFF6.081.0021.001.00
#0000003.4521.001.0021.00
##FFFFFF6.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0066D6
Deuteranopia (green-blind)
#005ECF
Tritanopia (blue-blind)
#386C87
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #644ad2;
/* rgb */ color: rgb(100, 74, 210);
/* oklch */ color: oklch(51.6% 0.199 285.9);
Tailwind
colors: {
  custom: {
    50: '#9a7ee1',
    500: '#644ad2',
    950: '#000000',
  },
}
SCSS
$custom: #644ad2;
$custom-light: #9a7ee1;
$custom-dark: #000000;
JSON
{
  "hex": "#644ad2",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 210
  },
  "hsl": {
    "h": 251.471,
    "s": 60.177,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51625,
    "c": 0.19902,
    "h": 285.9
  },
  "luminance": 0.1226
}

Semantic roles & 50–950 ramp

primary
#644AD2
secondary
#CDD8A0
accent
#E344C5
background
#FAF7FD
surface
#F3EEFB
border
#CDC9D4
text
#0F0A15
muted
#7F7C83

Preview Lab

Preview with #644AD2

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

Preview Lab → · Contrast checker → · Palette generator →

#644AD2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva