#644EBF#644EBF

#644EBF is a mid, vivid violet. Relative luminance 0.119; OKLCH L 50.8% C 0.170 H 287.7°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX#644EBF
RGBrgb(100, 78, 191)
HSLhsl(252, 47%, 53%)
HSVhsv(252, 59%, 75%)
CMYKcmyk(47.6%, 59.2%, 0%, 25.1%)
CIE-LABlab(41.09, 37.74, -56.56)
CIE-LCHlch(41.09, 67.99, 303.71°)
OKLaboklab(50.79% 0.0517 -0.1616)
OKLCHoklch(50.79% 0.17 287.7)
XYZxyz(17.3812, 11.9190, 50.6649)
Luminance0.1192 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644EBF #A9BF4E
analogous
#4E71BF #644EBF #9C4EBF
triadic
#644EBF #BF644E #4EBF64
tetradic
#644EBF #BF4E71 #A9BF4E #4EBF9C
square
#644EBF #BF4E71 #A9BF4E #4EBF9C
split-complementary
#644EBF #BF9C4E #71BF4E
monochromatic
#34276C #4A3799 #644EBF #8B7BCF #B3A8E0

Accessibility & contrast

On white

6.21
#644EBF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.38
#644EBF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EBF
6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644EBF#FFFFFF#000000##FFFFFF
##644EBF1.006.213.386.21
#FFFFFF6.211.0021.001.00
#0000003.3821.001.0021.00
##FFFFFF6.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0064C3
Deuteranopia (green-blind)
#005EBD
Tritanopia (blue-blind)
#46687F
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #644ebf;
/* rgb */ color: rgb(100, 78, 191);
/* oklch */ color: oklch(50.8% 0.170 287.7);
Tailwind
colors: {
  custom: {
    50: '#9780d3',
    500: '#644ebf',
    950: '#000000',
  },
}
SCSS
$custom: #644ebf;
$custom-light: #9780d3;
$custom-dark: #000000;
JSON
{
  "hex": "#644ebf",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 191
  },
  "hsl": {
    "h": 251.681,
    "s": 46.888,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5079,
    "c": 0.16968,
    "h": 287.7
  },
  "luminance": 0.1192
}

Semantic roles & 50–950 ramp

primary
#644EBF
secondary
#C3CD9C
accent
#D751BD
background
#F9F7FD
surface
#F2EEFA
border
#CCC9D3
text
#0E0A14
muted
#7E7C83

Preview Lab

Preview with #644EBF

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

Preview Lab → · Contrast checker → · Palette generator →

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