#644ADB#644ADB

#644ADB is a mid, highly saturated violet. Relative luminance 0.127; OKLCH L 52.4% C 0.210 H 284.7°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX#644ADB
RGBrgb(100, 74, 219)
HSLhsl(251, 67%, 57%)
HSVhsv(251, 66%, 86%)
CMYKcmyk(54.3%, 66.2%, 0%, 14.1%)
CIE-LABlab(42.34, 48.33, -70.69)
CIE-LCHlch(42.34, 85.63, 304.36°)
OKLaboklab(52.36% 0.0534 -0.2032)
OKLCHoklch(52.36% 0.21 284.7)
XYZxyz(20.4866, 12.7202, 68.3798)
Luminance0.1272 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644ADB #C1DB4A
analogous
#4A78DB #644ADB #AD4ADB
triadic
#644ADB #DB644A #4ADB64
tetradic
#644ADB #DB4A78 #C1DB4A #4ADBAD
square
#644ADB #DB4A78 #C1DB4A #4ADBAD
split-complementary
#644ADB #DBAD4A #78DB4A
monochromatic
#311C8E #4226C1 #644ADB #907DE5 #BBB0EF

Accessibility & contrast

On white

5.93
#644ADB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.54
#644ADB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ADB
5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644ADB#FFFFFF#000000##FFFFFF
##644ADB1.005.933.545.93
#FFFFFF5.931.0021.001.00
#0000003.5421.001.0021.00
##FFFFFF5.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0068DF
Deuteranopia (green-blind)
#005FD8
Tritanopia (blue-blind)
#2F6F8C
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #644adb;
/* rgb */ color: rgb(100, 74, 219);
/* oklch */ color: oklch(52.4% 0.210 284.7);
Tailwind
colors: {
  custom: {
    50: '#9b7ee7',
    500: '#644adb',
    950: '#000000',
  },
}
SCSS
$custom: #644adb;
$custom-light: #9b7ee7;
$custom-dark: #000000;
JSON
{
  "hex": "#644adb",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 219
  },
  "hsl": {
    "h": 250.759,
    "s": 66.82,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52363,
    "c": 0.21005,
    "h": 284.7
  },
  "luminance": 0.12721
}

Semantic roles & 50–950 ramp

primary
#644ADB
secondary
#D3DEA3
accent
#EA3ECB
background
#FAF7FE
surface
#F4EEFD
border
#CEC9D5
text
#0F0A16
muted
#7F7C84

Preview Lab

Preview with #644ADB

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

Preview Lab → · Contrast checker → · Palette generator →

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