#644BD9#644BD9

#644BD9 is a mid, highly saturated violet. Relative luminance 0.128; OKLCH L 52.3% C 0.206 H 284.8°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX#644BD9
RGBrgb(100, 75, 217)
HSLhsl(251, 65%, 57%)
HSVhsv(251, 65%, 85%)
CMYKcmyk(53.9%, 65.4%, 0%, 14.9%)
CIE-LABlab(42.38, 47.18, -69.47)
CIE-LCHlch(42.38, 83.98, 304.18°)
OKLaboklab(52.35% 0.0527 -0.1996)
OKLCHoklch(52.35% 0.206 284.8)
XYZxyz(20.2922, 12.7501, 67.0239)
Luminance0.1275 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644BD9 #C0D94B
analogous
#4B79D9 #644BD9 #AB4BD9
triadic
#644BD9 #D9644B #4BD964
tetradic
#644BD9 #D94B79 #C0D94B #4BD9AB
square
#644BD9 #D94B79 #C0D94B #4BD9AB
split-complementary
#644BD9 #D9AB4B #79D94B
monochromatic
#311E8C #4328BF #644BD9 #907EE4 #BBB0EE

Accessibility & contrast

On white

5.92
#644BD9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.55
#644BD9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BD9
5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644BD9#FFFFFF#000000##FFFFFF
##644BD91.005.923.555.92
#FFFFFF5.921.0021.001.00
#0000003.5521.001.0021.00
##FFFFFF5.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0068DD
Deuteranopia (green-blind)
#0060D6
Tritanopia (blue-blind)
#316F8B
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #644bd9;
/* rgb */ color: rgb(100, 75, 217);
/* oklch */ color: oklch(52.3% 0.206 284.8);
Tailwind
colors: {
  custom: {
    50: '#9a7fe6',
    500: '#644bd9',
    950: '#000000',
  },
}
SCSS
$custom: #644bd9;
$custom-light: #9a7fe6;
$custom-dark: #000000;
JSON
{
  "hex": "#644bd9",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 217
  },
  "hsl": {
    "h": 250.563,
    "s": 65.138,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52346,
    "c": 0.20643,
    "h": 284.8
  },
  "luminance": 0.12751
}

Semantic roles & 50–950 ramp

primary
#644BD9
secondary
#D3DDA3
accent
#E840CA
background
#FAF7FE
surface
#F4EEFC
border
#CEC9D5
text
#0F0A16
muted
#7F7C84

Preview Lab

Preview with #644BD9

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

Preview Lab → · Contrast checker → · Palette generator →

#644BD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva