#644BD0#644BD0

#644BD0 is a mid, vivid violet. Relative luminance 0.123; OKLCH L 51.6% C 0.195 H 286.0°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX#644BD0
RGBrgb(100, 75, 208)
HSLhsl(251, 59%, 55%)
HSVhsv(251, 64%, 82%)
CMYKcmyk(51.9%, 63.9%, 0%, 18.4%)
CIE-LABlab(41.68, 44.52, -65.45)
CIE-LCHlch(41.68, 79.15, 304.22°)
OKLaboklab(51.62% 0.0537 -0.1878)
OKLCHoklch(51.62% 0.195 286)
XYZxyz(19.1534, 12.2946, 61.0261)
Luminance0.1230 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644BD0 #B7D04B
analogous
#4B74D0 #644BD0 #A64BD0
triadic
#644BD0 #D0644B #4BD064
tetradic
#644BD0 #D04B74 #B7D04B #4BD0A6
square
#644BD0 #D04B74 #B7D04B #4BD0A6
split-complementary
#644BD0 #D0A64B #74D04B
monochromatic
#33217F #462EB0 #644BD0 #8E7CDD #B8ACE9

Accessibility & contrast

On white

6.07
#644BD0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.46
#644BD0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BD0
6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644BD0#FFFFFF#000000##FFFFFF
##644BD01.006.073.466.07
#FFFFFF6.071.0021.001.00
#0000003.4621.001.0021.00
##FFFFFF6.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0066D4
Deuteranopia (green-blind)
#005ECD
Tritanopia (blue-blind)
#3A6C87
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #644bd0;
/* rgb */ color: rgb(100, 75, 208);
/* oklch */ color: oklch(51.6% 0.195 286.0);
Tailwind
colors: {
  custom: {
    50: '#997fdf',
    500: '#644bd0',
    950: '#000000',
  },
}
SCSS
$custom: #644bd0;
$custom-light: #997fdf;
$custom-dark: #000000;
JSON
{
  "hex": "#644bd0",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 208
  },
  "hsl": {
    "h": 251.278,
    "s": 58.59,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51617,
    "c": 0.1953,
    "h": 286
  },
  "luminance": 0.12296
}

Semantic roles & 50–950 ramp

primary
#644BD0
secondary
#CDD7A0
accent
#E246C5
background
#FAF7FD
surface
#F3EEFB
border
#CDC9D4
text
#0F0A15
muted
#7F7C83

Preview Lab

Preview with #644BD0

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

Preview Lab → · Contrast checker → · Palette generator →

#644BD0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva