#644C97#644C97

#644C97 is a mid, moderate violet. Relative luminance 0.101; OKLCH L 47.7% C 0.119 H 296.4°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX#644C97
RGBrgb(100, 76, 151)
HSLhsl(259, 33%, 45%)
HSVhsv(259, 50%, 59%)
CMYKcmyk(33.8%, 49.7%, 0%, 40.8%)
CIE-LABlab(38.04, 27.44, -37.71)
CIE-LCHlch(38.04, 46.64, 306.05°)
OKLaboklab(47.71% 0.0527 -0.1063)
OKLCHoklch(47.71% 0.119 296.4)
XYZxyz(13.4245, 10.1124, 30.5168)
Luminance0.1011 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644C97 #7F974C
analogous
#4C5A97 #644C97 #8A4C97
triadic
#644C97 #97644C #4C9764
tetradic
#644C97 #974C5A #7F974C #4C978A
square
#644C97 #974C5A #7F974C #4C978A
split-complementary
#644C97 #978A4C #5A974C
monochromatic
#2E2346 #49386E #644C97 #836BB5 #A594C9

Accessibility & contrast

On white

6.95
#644C97 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.02
#644C97 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644C97
6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644C97#FFFFFF#000000##FFFFFF
##644C971.006.953.026.95
#FFFFFF6.951.0021.001.00
#0000003.0221.001.0021.00
##FFFFFF6.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#325A9A
Deuteranopia (green-blind)
#375995
Tritanopia (blue-blind)
#595A6A
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #644c97;
/* rgb */ color: rgb(100, 76, 151);
/* oklch */ color: oklch(47.7% 0.119 296.4);
Tailwind
colors: {
  custom: {
    50: '#937eb6',
    500: '#644c97',
    950: '#000000',
  },
}
SCSS
$custom: #644c97;
$custom-light: #937eb6;
$custom-dark: #000000;
JSON
{
  "hex": "#644c97",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 151
  },
  "hsl": {
    "h": 259.2,
    "s": 33.04,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4771,
    "c": 0.11863,
    "h": 296.4
  },
  "luminance": 0.10113
}

Semantic roles & 50–950 ramp

primary
#644C97
secondary
#A7B689
accent
#C95FA7
background
#F9F7FB
surface
#F1EEF6
border
#CBC9D0
text
#0D0A11
muted
#7E7C80

Preview Lab

Preview with #644C97

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

Preview Lab → · Contrast checker → · Palette generator →

#644C97 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva