#644DB8#644DB8

#644DB8 is a mid, vivid violet. Relative luminance 0.115; OKLCH L 50.1% C 0.162 H 289.1°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX#644DB8
RGBrgb(100, 77, 184)
HSLhsl(253, 43%, 51%)
HSVhsv(253, 58%, 72%)
CMYKcmyk(45.7%, 58.2%, 0%, 27.8%)
CIE-LABlab(40.37, 36.27, -53.61)
CIE-LCHlch(40.37, 64.73, 304.08°)
OKLaboklab(50.11% 0.053 -0.153)
OKLCHoklch(50.11% 0.162 289.1)
XYZxyz(16.5587, 11.4771, 46.6809)
Luminance0.1148 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644DB8 #A1B84D
analogous
#4D6BB8 #644DB8 #994DB8
triadic
#644DB8 #B8644D #4DB864
tetradic
#644DB8 #B84D6B #A1B84D #4DB899
square
#644DB8 #B84D6B #A1B84D #4DB899
split-complementary
#644DB8 #B8994D #6BB84D
monochromatic
#342863 #4B398F #644DB8 #8A79C9 #B0A4DB

Accessibility & contrast

On white

6.37
#644DB8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.30
#644DB8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DB8
6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644DB8#FFFFFF#000000##FFFFFF
##644DB81.006.373.306.37
#FFFFFF6.371.0021.001.00
#0000003.3021.001.0021.00
##FFFFFF6.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061BC
Deuteranopia (green-blind)
#055DB6
Tritanopia (blue-blind)
#4A657B
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #644db8;
/* rgb */ color: rgb(100, 77, 184);
/* oklch */ color: oklch(50.1% 0.162 289.1);
Tailwind
colors: {
  custom: {
    50: '#967fce',
    500: '#644db8',
    950: '#000000',
  },
}
SCSS
$custom: #644db8;
$custom-light: #967fce;
$custom-dark: #000000;
JSON
{
  "hex": "#644db8",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 184
  },
  "hsl": {
    "h": 252.897,
    "s": 42.972,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5011,
    "c": 0.16188,
    "h": 289.1
  },
  "luminance": 0.11478
}

Semantic roles & 50–950 ramp

primary
#644DB8
secondary
#BEC899
accent
#D355B8
background
#F9F7FC
surface
#F2EEF9
border
#CCC9D2
text
#0E0A14
muted
#7E7C82

Preview Lab

Preview with #644DB8

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

Preview Lab → · Contrast checker → · Palette generator →

#644DB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva