#644BC6#644BC6

#644BC6 is a mid, vivid violet. Relative luminance 0.118; OKLCH L 50.8% C 0.183 H 287.4°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#644BC6
RGBrgb(100, 75, 198)
HSLhsl(252, 52%, 54%)
HSVhsv(252, 62%, 78%)
CMYKcmyk(49.5%, 62.1%, 0%, 22.4%)
CIE-LABlab(40.93, 41.56, -60.89)
CIE-LCHlch(40.93, 73.72, 304.31°)
OKLaboklab(50.83% 0.0546 -0.1744)
OKLCHoklch(50.83% 0.183 287.4)
XYZxyz(17.9617, 11.8179, 54.7498)
Luminance0.1182 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644BC6 #ADC64B
analogous
#4B6FC6 #644BC6 #A14BC6
triadic
#644BC6 #C6644B #4BC664
tetradic
#644BC6 #C64B6F #ADC64B #4BC6A1
square
#644BC6 #C64B6F #ADC64B #4BC6A1
split-complementary
#644BC6 #C6A14B #6FC64B
monochromatic
#342472 #4933A1 #644BC6 #8C79D5 #B4A8E3

Accessibility & contrast

On white

6.24
#644BC6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.36
#644BC6 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BC6
6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644BC6#FFFFFF#000000##FFFFFF
##644BC61.006.243.366.24
#FFFFFF6.241.0021.001.00
#0000003.3621.001.0021.00
##FFFFFF6.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0063CA
Deuteranopia (green-blind)
#005DC3
Tritanopia (blue-blind)
#416881
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #644bc6;
/* rgb */ color: rgb(100, 75, 198);
/* oklch */ color: oklch(50.8% 0.183 287.4);
Tailwind
colors: {
  custom: {
    50: '#987ed8',
    500: '#644bc6',
    950: '#000000',
  },
}
SCSS
$custom: #644bc6;
$custom-light: #987ed8;
$custom-dark: #000000;
JSON
{
  "hex": "#644bc6",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 198
  },
  "hsl": {
    "h": 252.195,
    "s": 51.899,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50831,
    "c": 0.18271,
    "h": 287.4
  },
  "luminance": 0.11819
}

Semantic roles & 50–950 ramp

primary
#644BC6
secondary
#C6D19C
accent
#DB4CBE
background
#F9F7FD
surface
#F2EEFA
border
#CCC9D3
text
#0E0A15
muted
#7E7C83

Preview Lab

Preview with #644BC6

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

Preview Lab → · Contrast checker → · Palette generator →

#644BC6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva