#644AD3#644AD3

#644AD3 is a mid, highly saturated violet. Relative luminance 0.123; OKLCH L 51.7% C 0.200 H 285.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX#644AD3
RGBrgb(100, 74, 211)
HSLhsl(251, 61%, 56%)
HSVhsv(251, 65%, 83%)
CMYKcmyk(52.6%, 64.9%, 0%, 17.3%)
CIE-LABlab(41.70, 45.97, -67.14)
CIE-LCHlch(41.70, 81.37, 304.40°)
OKLaboklab(51.71% 0.0544 -0.1927)
OKLCHoklch(51.71% 0.2 285.7)
XYZxyz(19.4587, 12.3090, 62.9659)
Luminance0.1231 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644AD3 #B9D34A
analogous
#4A74D3 #644AD3 #A84AD3
triadic
#644AD3 #D3644A #4AD364
tetradic
#644AD3 #D34A74 #B9D34A #4AD3A8
square
#644AD3 #D34A74 #B9D34A #4AD3A8
split-complementary
#644AD3 #D3A84A #74D34A
monochromatic
#332083 #462CB4 #644AD3 #8E7BDF #B8ACEB

Accessibility & contrast

On white

6.07
#644AD3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.46
#644AD3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AD3
6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644AD3#FFFFFF#000000##FFFFFF
##644AD31.006.073.466.07
#FFFFFF6.071.0021.001.00
#0000003.4621.001.0021.00
##FFFFFF6.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0066D7
Deuteranopia (green-blind)
#005ED0
Tritanopia (blue-blind)
#376C88
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #644ad3;
/* rgb */ color: rgb(100, 74, 211);
/* oklch */ color: oklch(51.7% 0.200 285.7);
Tailwind
colors: {
  custom: {
    50: '#9a7ee1',
    500: '#644ad3',
    950: '#000000',
  },
}
SCSS
$custom: #644ad3;
$custom-light: #9a7ee1;
$custom-dark: #000000;
JSON
{
  "hex": "#644ad3",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 211
  },
  "hsl": {
    "h": 251.387,
    "s": 60.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51706,
    "c": 0.20026,
    "h": 285.7
  },
  "luminance": 0.1231
}

Semantic roles & 50–950 ramp

primary
#644AD3
secondary
#CED9A0
accent
#E444C6
background
#FAF7FD
surface
#F3EEFB
border
#CDC9D4
text
#0F0A15
muted
#7F7C83

Preview Lab

Preview with #644AD3

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

Preview Lab → · Contrast checker → · Palette generator →

#644AD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva