#643ABA#643ABA

#643ABA is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.4% C 0.190 H 292.7°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX#643ABA
RGBrgb(100, 58, 186)
HSLhsl(260, 52%, 48%)
HSVhsv(260, 69%, 73%)
CMYKcmyk(46.2%, 68.8%, 0%, 27.1%)
CIE-LABlab(36.52, 47.56, -61.04)
CIE-LCHlch(36.52, 77.38, 307.92°)
OKLaboklab(47.36% 0.0733 -0.1748)
OKLCHoklch(47.36% 0.19 292.7)
XYZxyz(15.6291, 9.2801, 47.4126)
Luminance0.0928 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643ABA #90BA3A
analogous
#3A50BA #643ABA #A43ABA
triadic
#643ABA #BA643A #3ABA64
tetradic
#643ABA #BA3A50 #90BA3A #3ABAA4
square
#643ABA #BA3A50 #90BA3A #3ABAA4
split-complementary
#643ABA #BAA43A #50BA3A
monochromatic
#321D5D #4B2B8B #643ABA #8663CE #AA92DD

Accessibility & contrast

On white

7.35
#643ABA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.86
#643ABA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643ABA
7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643ABA#FFFFFF#000000##FFFFFF
##643ABA1.007.352.867.35
#FFFFFF7.351.0021.001.00
#0000002.8621.001.0021.00
##FFFFFF7.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058BE
Deuteranopia (green-blind)
#0053B7
Tritanopia (blue-blind)
#4A5A75
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #643aba;
/* rgb */ color: rgb(100, 58, 186);
/* oklch */ color: oklch(47.4% 0.190 292.7);
Tailwind
colors: {
  custom: {
    50: '#9773d0',
    500: '#643aba',
    950: '#000000',
  },
}
SCSS
$custom: #643aba;
$custom-light: #9773d0;
$custom-dark: #000000;
JSON
{
  "hex": "#643aba",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 186
  },
  "hsl": {
    "h": 259.688,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.47359,
    "c": 0.18954,
    "h": 292.7
  },
  "luminance": 0.09281
}

Semantic roles & 50–950 ramp

primary
#643ABA
secondary
#B3C888
accent
#DC4CAD
background
#F9F7FC
surface
#F2EDF9
border
#CCC8D2
text
#0E0814
muted
#7E7B82

Preview Lab

Preview with #643ABA

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

Preview Lab → · Contrast checker → · Palette generator →

#643ABA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva