#644A8A#644A8A

#644A8A is a mid, moderate violet. Relative luminance 0.094; OKLCH L 46.6% C 0.104 H 301.2°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX#644A8A
RGBrgb(100, 74, 138)
HSLhsl(264, 30%, 42%)
HSVhsv(264, 46%, 54%)
CMYKcmyk(27.5%, 46.4%, 0%, 45.9%)
CIE-LABlab(36.82, 25.16, -31.75)
CIE-LCHlch(36.82, 40.51, 308.40°)
OKLaboklab(46.56% 0.0539 -0.0889)
OKLCHoklch(46.56% 0.104 301.2)
XYZxyz(12.2907, 9.4418, 25.2148)
Luminance0.0944 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A8A #708A4A
analogous
#4A508A #644A8A #844A8A
triadic
#644A8A #8A644A #4A8A64
tetradic
#644A8A #8A4A50 #708A4A #4A8A84
square
#644A8A #8A4A50 #708A4A #4A8A84
split-complementary
#644A8A #8A844A #508A4A
monochromatic
#2A1F3A #473562 #644A8A #8265AC #A28DC2

Accessibility & contrast

On white

7.27
#644A8A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.89
#644A8A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A8A
7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A8A#FFFFFF#000000##FFFFFF
##644A8A1.007.272.897.27
#FFFFFF7.271.0021.001.00
#0000002.8921.001.0021.00
##FFFFFF7.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#38568C
Deuteranopia (green-blind)
#3E5688
Tritanopia (blue-blind)
#5D5563
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #644a8a;
/* rgb */ color: rgb(100, 74, 138);
/* oklch */ color: oklch(46.6% 0.104 301.2);
Tailwind
colors: {
  custom: {
    50: '#927dac',
    500: '#644a8a',
    950: '#000000',
  },
}
SCSS
$custom: #644a8a;
$custom-light: #927dac;
$custom-dark: #000000;
JSON
{
  "hex": "#644a8a",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 138
  },
  "hsl": {
    "h": 264.375,
    "s": 30.189,
    "l": 41.569
  },
  "oklch": {
    "l": 0.46558,
    "c": 0.10393,
    "h": 301.2
  },
  "luminance": 0.09442
}

Semantic roles & 50–950 ramp

primary
#644A8A
secondary
#9CAE82
accent
#C6619D
background
#F9F7FA
surface
#F1EEF4
border
#CBC9CE
text
#0D0910
muted
#7E7B7F

Preview Lab

Preview with #644A8A

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

Preview Lab → · Contrast checker → · Palette generator →

#644A8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva