#644FAF#644FAF

#644FAF is a mid, vivid violet. Relative luminance 0.114; OKLCH L 49.8% C 0.147 H 290.1°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX#644FAF
RGBrgb(100, 79, 175)
HSLhsl(253, 38%, 50%)
HSVhsv(253, 55%, 69%)
CMYKcmyk(42.9%, 54.9%, 0%, 31.4%)
CIE-LABlab(40.24, 32.44, -48.53)
CIE-LCHlch(40.24, 58.37, 303.76°)
OKLaboklab(49.82% 0.0505 -0.138)
OKLCHoklch(49.82% 0.147 290.1)
XYZxyz(15.7872, 11.3959, 41.9170)
Luminance0.1140 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644FAF #9AAF4F
analogous
#4F6AAF #644FAF #944FAF
triadic
#644FAF #AF644F #4FAF64
tetradic
#644FAF #AF4F6A #9AAF4F #4FAF94
square
#644FAF #AF4F6A #9AAF4F #4FAF94
split-complementary
#644FAF #AF944F #6AAF4F
monochromatic
#34295B #4C3C85 #644FAF #8979C2 #AEA3D5

Accessibility & contrast

On white

6.40
#644FAF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.28
#644FAF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FAF
6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644FAF#FFFFFF#000000##FFFFFF
##644FAF1.006.403.286.40
#FFFFFF6.401.0021.001.00
#0000003.2821.001.0021.00
##FFFFFF6.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F61B2
Deuteranopia (green-blind)
#225DAD
Tritanopia (blue-blind)
#4F6377
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #644faf;
/* rgb */ color: rgb(100, 79, 175);
/* oklch */ color: oklch(49.8% 0.147 290.1);
Tailwind
colors: {
  custom: {
    50: '#9581c7',
    500: '#644faf',
    950: '#000000',
  },
}
SCSS
$custom: #644faf;
$custom-light: #9581c7;
$custom-dark: #000000;
JSON
{
  "hex": "#644faf",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 175
  },
  "hsl": {
    "h": 253.125,
    "s": 37.795,
    "l": 49.804
  },
  "oklch": {
    "l": 0.4982,
    "c": 0.14695,
    "h": 290.1
  },
  "luminance": 0.11396
}

Semantic roles & 50–950 ramp

primary
#644FAF
secondary
#B9C397
accent
#CE5AB4
background
#F9F7FC
surface
#F2EEF8
border
#CCC9D1
text
#0E0A13
muted
#7E7C82

Preview Lab

Preview with #644FAF

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

Preview Lab → · Contrast checker → · Palette generator →

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