#A3427C

CSS

:root {
  --plum-passion: #a3427c;
  --plum-passion-rgb: 163 66 124;
  --plum-passion-oklch: oklch(0.527 0.144 346.3);
}

.element {
  color: var(--plum-passion);
  background-color: hsl(324 42% 45%);
  border-color: oklch(0.527 0.144 346.3);
}

Tailwind CSS v4

@theme {
  --color-plum-passion: #a3427c;
  --color-plum-passion-50: #ffe5fc;
  --color-plum-passion-100: #ffd5f0;
  --color-plum-passion-200: #ffbbdf;
  --color-plum-passion-300: #ee98c4;
  --color-plum-passion-400: #da79b0;
  --color-plum-passion-500: #c7589a;
  --color-plum-passion-600: #a84c82;
  --color-plum-passion-700: #873c68;
  --color-plum-passion-800: #642b4e;
  --color-plum-passion-900: #461d36;
  --color-plum-passion-950: #2d0d21;
}

SCSS

$plum-passion: #a3427c;
$plum-passion-rgb: 163, 66, 124;
$plum-passion-light: mix(#fff, $plum-passion, 20%);
$plum-passion-dark: mix(#000, $plum-passion, 20%);

.element {
  color: $plum-passion;
  box-shadow: 0 0 0 2px rgba($plum-passion, 0.35);
}