#644ACF#644ACF

#644ACF is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.4% C 0.195 H 286.3°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#644ACF
RGBrgb(100, 74, 207)
HSLhsl(252, 58%, 55%)
HSVhsv(252, 64%, 81%)
CMYKcmyk(51.7%, 64.3%, 0%, 18.8%)
CIE-LABlab(41.39, 44.79, -65.34)
CIE-LCHlch(41.39, 79.22, 304.43°)
OKLaboklab(51.38% 0.0548 -0.1875)
OKLCHoklch(51.38% 0.195 286.3)
XYZxyz(18.9634, 12.1109, 60.3578)
Luminance0.1211 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644ACF #B5CF4A
analogous
#4A73CF #644ACF #A64ACF
triadic
#644ACF #CF644A #4ACF64
tetradic
#644ACF #CF4A73 #B5CF4A #4ACFA6
square
#644ACF #CF4A73 #B5CF4A #4ACFA6
split-complementary
#644ACF #CFA64A #73CF4A
monochromatic
#33217D #472EAE #644ACF #8D7ADC #B7ABE9

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##644ACF#FFFFFF#000000##FFFFFF
##644ACF1.006.143.426.14
#FFFFFF6.141.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0065D3
Deuteranopia (green-blind)
#005ECC
Tritanopia (blue-blind)
#3B6B86
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #644acf;
/* rgb */ color: rgb(100, 74, 207);
/* oklch */ color: oklch(51.4% 0.195 286.3);
Tailwind
colors: {
  custom: {
    50: '#997edf',
    500: '#644acf',
    950: '#000000',
  },
}
SCSS
$custom: #644acf;
$custom-light: #997edf;
$custom-dark: #000000;
JSON
{
  "hex": "#644acf",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 207
  },
  "hsl": {
    "h": 251.729,
    "s": 58.079,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51384,
    "c": 0.1953,
    "h": 286.3
  },
  "luminance": 0.12112
}

Semantic roles & 50–950 ramp

primary
#644ACF
secondary
#CBD69F
accent
#E146C3
background
#FAF7FD
surface
#F3EEFB
border
#CDC9D4
text
#0F0A15
muted
#7F7C83

Preview Lab

Preview with #644ACF

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

Preview Lab → · Contrast checker → · Palette generator →

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