#644BC9#644BC9

#644BC9 is a mid, vivid violet. Relative luminance 0.120; OKLCH L 51.1% C 0.187 H 286.9°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#644BC9
RGBrgb(100, 75, 201)
HSLhsl(252, 54%, 54%)
HSVhsv(252, 63%, 79%)
CMYKcmyk(50.2%, 62.7%, 0%, 21.2%)
CIE-LABlab(41.15, 42.45, -62.27)
CIE-LCHlch(41.15, 75.36, 304.28°)
OKLaboklab(51.06% 0.0544 -0.1784)
OKLCHoklch(51.06% 0.187 286.9)
XYZxyz(18.3111, 11.9577, 56.5902)
Luminance0.1196 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644BC9 #B0C94B
analogous
#4B71C9 #644BC9 #A34BC9
triadic
#644BC9 #C9644B #4BC964
tetradic
#644BC9 #C94B71 #B0C94B #4BC9A3
square
#644BC9 #C94B71 #B0C94B #4BC9A3
split-complementary
#644BC9 #C9A34B #71C94B
monochromatic
#342376 #4932A5 #644BC9 #8D7AD7 #B5A9E5

Accessibility & contrast

On white

6.19
#644BC9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.39
#644BC9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BC9
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644BC9#FFFFFF#000000##FFFFFF
##644BC91.006.193.396.19
#FFFFFF6.191.0021.001.00
#0000003.3921.001.0021.00
##FFFFFF6.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0064CD
Deuteranopia (green-blind)
#005EC6
Tritanopia (blue-blind)
#3F6983
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #644bc9;
/* rgb */ color: rgb(100, 75, 201);
/* oklch */ color: oklch(51.1% 0.187 286.9);
Tailwind
colors: {
  custom: {
    50: '#987eda',
    500: '#644bc9',
    950: '#000000',
  },
}
SCSS
$custom: #644bc9;
$custom-light: #987eda;
$custom-dark: #000000;
JSON
{
  "hex": "#644bc9",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 201
  },
  "hsl": {
    "h": 251.905,
    "s": 53.846,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51064,
    "c": 0.18651,
    "h": 286.9
  },
  "luminance": 0.11959
}

Semantic roles & 50–950 ramp

primary
#644BC9
secondary
#C8D39D
accent
#DD4BC0
background
#F9F7FD
surface
#F2EEFB
border
#CCC9D4
text
#0F0A15
muted
#7E7C83

Preview Lab

Preview with #644BC9

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

Preview Lab → · Contrast checker → · Palette generator →

#644BC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva