#644AC7#644AC7

#644AC7 is a mid, vivid violet. Relative luminance 0.117; OKLCH L 50.8% C 0.185 H 287.4°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX#644AC7
RGBrgb(100, 74, 199)
HSLhsl(252, 53%, 54%)
HSVhsv(252, 63%, 78%)
CMYKcmyk(49.7%, 62.8%, 0%, 22%)
CIE-LABlab(40.78, 42.43, -61.70)
CIE-LCHlch(40.78, 74.88, 304.51°)
OKLaboklab(50.75% 0.0555 -0.1768)
OKLCHoklch(50.75% 0.185 287.4)
XYZxyz(18.0101, 11.7296, 55.3368)
Luminance0.1173 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644AC7 #ADC74A
analogous
#4A6EC7 #644AC7 #A24AC7
triadic
#644AC7 #C7644A #4AC764
tetradic
#644AC7 #C74A6E #ADC74A #4AC7A2
square
#644AC7 #C74A6E #ADC74A #4AC7A2
split-complementary
#644AC7 #C7A24A #6EC74A
monochromatic
#342473 #4932A2 #644AC7 #8C79D5 #B4A7E4

Accessibility & contrast

On white

6.28
#644AC7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.35
#644AC7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AC7
6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644AC7#FFFFFF#000000##FFFFFF
##644AC71.006.283.356.28
#FFFFFF6.281.0021.001.00
#0000003.3521.001.0021.00
##FFFFFF6.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0063CB
Deuteranopia (green-blind)
#005DC4
Tritanopia (blue-blind)
#416882
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #644ac7;
/* rgb */ color: rgb(100, 74, 199);
/* oklch */ color: oklch(50.8% 0.185 287.4);
Tailwind
colors: {
  custom: {
    50: '#987ed9',
    500: '#644ac7',
    950: '#000000',
  },
}
SCSS
$custom: #644ac7;
$custom-light: #987ed9;
$custom-dark: #000000;
JSON
{
  "hex": "#644ac7",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 199
  },
  "hsl": {
    "h": 252.48,
    "s": 52.743,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50751,
    "c": 0.18528,
    "h": 287.4
  },
  "luminance": 0.1173
}

Semantic roles & 50–950 ramp

primary
#644AC7
secondary
#C6D19C
accent
#DC4CBE
background
#F9F7FD
surface
#F2EEFB
border
#CCC9D4
text
#0E0A15
muted
#7E7C83

Preview Lab

Preview with #644AC7

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

Preview Lab → · Contrast checker → · Palette generator →

#644AC7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva