#644D8A#644D8A

#644D8A is a mid, moderate violet. Relative luminance 0.099; OKLCH L 47.1% C 0.099 H 300.0°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#644D8A
RGBrgb(100, 77, 138)
HSLhsl(263, 28%, 42%)
HSVhsv(263, 44%, 54%)
CMYKcmyk(27.5%, 44.2%, 0%, 45.9%)
CIE-LABlab(37.58, 23.31, -30.56)
CIE-LCHlch(37.58, 38.43, 307.34°)
OKLaboklab(47.13% 0.0494 -0.0854)
OKLCHoklch(47.13% 0.099 300)
XYZxyz(12.4958, 9.8520, 25.2831)
Luminance0.0985 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644D8A #738A4D
analogous
#4D558A #644D8A #834D8A
triadic
#644D8A #8A644D #4D8A64
tetradic
#644D8A #8A4D55 #738A4D #4D8A83
square
#644D8A #8A4D55 #738A4D #4D8A83
split-complementary
#644D8A #8A834D #558A4D
monochromatic
#2B213B #483763 #644D8A #8269AB #A390C1

Accessibility & contrast

On white

7.07
#644D8A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.97
#644D8A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D8A
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644D8A#FFFFFF#000000##FFFFFF
##644D8A1.007.072.977.07
#FFFFFF7.071.0021.001.00
#0000002.9721.001.0021.00
##FFFFFF7.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C588C
Deuteranopia (green-blind)
#415888
Tritanopia (blue-blind)
#5D5865
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #644d8a;
/* rgb */ color: rgb(100, 77, 138);
/* oklch */ color: oklch(47.1% 0.099 300.0);
Tailwind
colors: {
  custom: {
    50: '#927fac',
    500: '#644d8a',
    950: '#000000',
  },
}
SCSS
$custom: #644d8a;
$custom-light: #927fac;
$custom-dark: #000000;
JSON
{
  "hex": "#644d8a",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 138
  },
  "hsl": {
    "h": 262.623,
    "s": 28.372,
    "l": 42.157
  },
  "oklch": {
    "l": 0.47125,
    "c": 0.09867,
    "h": 300
  },
  "luminance": 0.09852
}

Semantic roles & 50–950 ramp

primary
#644D8A
secondary
#9EAE85
accent
#C563A0
background
#F9F7FA
surface
#F1EEF4
border
#CBC9CE
text
#0D0A10
muted
#7E7C7F

Preview Lab

Preview with #644D8A

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

Preview Lab → · Contrast checker → · Palette generator →

#644D8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva