#644591#644591

#644591 is a mid, vivid violet. Relative luminance 0.090; OKLCH L 46.1% C 0.122 H 300.5°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX#644591
RGBrgb(100, 69, 145)
HSLhsl(264, 36%, 42%)
HSVhsv(264, 52%, 57%)
CMYKcmyk(31%, 52.4%, 0%, 43.1%)
CIE-LABlab(36.00, 30.07, -37.32)
CIE-LCHlch(36.00, 47.92, 308.87°)
OKLaboklab(46.08% 0.062 -0.1051)
OKLCHoklch(46.08% 0.122 300.5)
XYZxyz(12.4933, 9.0098, 27.8635)
Luminance0.0901 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644591 #729145
analogous
#454C91 #644591 #8A4591
triadic
#644591 #916445 #459164
tetradic
#644591 #91454C #729145 #45918A
square
#644591 #91454C #729145 #45918A
split-complementary
#644591 #918A45 #4C9145
monochromatic
#2B1E3E #473168 #644591 #8260B3 #A389C7

Accessibility & contrast

On white

7.49
#644591 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#644591 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644591
7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644591#FFFFFF#000000##FFFFFF
##6445911.007.492.807.49
#FFFFFF7.491.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B5494
Deuteranopia (green-blind)
#33548F
Tritanopia (blue-blind)
#5B5364
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #644591;
/* rgb */ color: rgb(100, 69, 145);
/* oklch */ color: oklch(46.1% 0.122 300.5);
Tailwind
colors: {
  custom: {
    50: '#9379b2',
    500: '#644591',
    950: '#000000',
  },
}
SCSS
$custom: #644591;
$custom-light: #9379b2;
$custom-dark: #000000;
JSON
{
  "hex": "#644591",
  "rgb": {
    "r": 100,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 264.474,
    "s": 35.514,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46075,
    "c": 0.12203,
    "h": 300.5
  },
  "luminance": 0.0901
}

Semantic roles & 50–950 ramp

primary
#644591
secondary
#9EB280
accent
#CC5C9E
background
#F9F7FB
surface
#F1EDF6
border
#CBC8D0
text
#0D0911
muted
#7E7B80

Preview Lab

Preview with #644591

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

Preview Lab → · Contrast checker → · Palette generator →

#644591 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva