#644AB2#644AB2

#644AB2 is a mid, vivid violet. Relative luminance 0.108; OKLCH L 49.2% C 0.158 H 291.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#644AB2
RGBrgb(100, 74, 178)
HSLhsl(255, 41%, 49%)
HSVhsv(255, 58%, 70%)
CMYKcmyk(43.8%, 58.4%, 0%, 30.2%)
CIE-LABlab(39.28, 36.30, -51.85)
CIE-LCHlch(39.28, 63.29, 305.00°)
OKLaboklab(49.17% 0.0566 -0.1478)
OKLCHoklch(49.17% 0.158 291)
XYZxyz(15.7380, 10.8207, 43.3702)
Luminance0.1082 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644AB2 #98B24A
analogous
#4A64B2 #644AB2 #984AB2
triadic
#644AB2 #B2644A #4AB264
tetradic
#644AB2 #B24A64 #98B24A #4AB298
square
#644AB2 #B24A64 #98B24A #4AB298
split-complementary
#644AB2 #B2984A #64B24A
monochromatic
#33265C #4C3887 #644AB2 #8874C5 #AD9FD7

Accessibility & contrast

On white

6.64
#644AB2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#644AB2 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AB2
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644AB2#FFFFFF#000000##FFFFFF
##644AB21.006.643.166.64
#FFFFFF6.641.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#015EB5
Deuteranopia (green-blind)
#0E5AB0
Tritanopia (blue-blind)
#4D6177
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #644ab2;
/* rgb */ color: rgb(100, 74, 178);
/* oklch */ color: oklch(49.2% 0.158 291.0);
Tailwind
colors: {
  custom: {
    50: '#957dca',
    500: '#644ab2',
    950: '#000000',
  },
}
SCSS
$custom: #644ab2;
$custom-light: #957dca;
$custom-dark: #000000;
JSON
{
  "hex": "#644ab2",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 178
  },
  "hsl": {
    "h": 255,
    "s": 41.27,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49173,
    "c": 0.15824,
    "h": 291
  },
  "luminance": 0.10821
}

Semantic roles & 50–950 ramp

primary
#644AB2
secondary
#B8C494
accent
#D157B3
background
#F9F7FC
surface
#F2EEF8
border
#CCC9D1
text
#0E0A13
muted
#7E7C82

Preview Lab

Preview with #644AB2

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

Preview Lab → · Contrast checker → · Palette generator →

#644AB2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva