#644ABD#644ABD

#644ABD is a mid, vivid violet. Relative luminance 0.113; OKLCH L 50.0% C 0.173 H 289.0°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#644ABD
RGBrgb(100, 74, 189)
HSLhsl(254, 47%, 52%)
HSVhsv(254, 61%, 74%)
CMYKcmyk(47.1%, 60.8%, 0%, 25.9%)
CIE-LABlab(40.05, 39.50, -57.07)
CIE-LCHlch(40.05, 69.40, 304.69°)
OKLaboklab(49.98% 0.0562 -0.1631)
OKLCHoklch(49.98% 0.173 289)
XYZxyz(16.8870, 11.2803, 49.4218)
Luminance0.1128 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644ABD #A3BD4A
analogous
#4A6ABD #644ABD #9E4ABD
triadic
#644ABD #BD644A #4ABD64
tetradic
#644ABD #BD4A6A #A3BD4A #4ABD9E
square
#644ABD #BD4A6A #A3BD4A #4ABD9E
split-complementary
#644ABD #BD9E4A #6ABD4A
monochromatic
#342667 #4B3694 #644ABD #8A77CD #B1A4DE

Accessibility & contrast

On white

6.45
#644ABD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.26
#644ABD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ABD
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644ABD#FFFFFF#000000##FFFFFF
##644ABD1.006.453.266.45
#FFFFFF6.451.0021.001.00
#0000003.2621.001.0021.00
##FFFFFF6.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061C1
Deuteranopia (green-blind)
#005CBB
Tritanopia (blue-blind)
#47657C
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #644abd;
/* rgb */ color: rgb(100, 74, 189);
/* oklch */ color: oklch(50.0% 0.173 289.0);
Tailwind
colors: {
  custom: {
    50: '#977ed2',
    500: '#644abd',
    950: '#000000',
  },
}
SCSS
$custom: #644abd;
$custom-light: #977ed2;
$custom-dark: #000000;
JSON
{
  "hex": "#644abd",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 189
  },
  "hsl": {
    "h": 253.565,
    "s": 46.559,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49984,
    "c": 0.17254,
    "h": 289
  },
  "luminance": 0.11281
}

Semantic roles & 50–950 ramp

primary
#644ABD
secondary
#BFCB98
accent
#D652B8
background
#F9F7FD
surface
#F2EEFA
border
#CCC9D3
text
#0E0A14
muted
#7E7C83

Preview Lab

Preview with #644ABD

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

Preview Lab → · Contrast checker → · Palette generator →

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