#79395F

CSS

:root {
  --passionate-plum: #79395f;
  --passionate-plum-rgb: 121 57 95;
  --passionate-plum-oklch: oklch(0.441 0.101 345.5);
}

.element {
  color: var(--passionate-plum);
  background-color: hsl(324 36% 35%);
  border-color: oklch(0.441 0.101 345.5);
}

Tailwind CSS v4

@theme {
  --color-passionate-plum: #79395f;
  --color-passionate-plum-50: #ffeafb;
  --color-passionate-plum-100: #ffdbee;
  --color-passionate-plum-200: #f6c3dc;
  --color-passionate-plum-300: #dfa3c1;
  --color-passionate-plum-400: #ca86ac;
  --color-passionate-plum-500: #b66995;
  --color-passionate-plum-600: #99597e;
  --color-passionate-plum-700: #7b4765;
  --color-passionate-plum-800: #5b334b;
  --color-passionate-plum-900: #3f2334;
  --color-passionate-plum-950: #281220;
}

SCSS

$passionate-plum: #79395f;
$passionate-plum-rgb: 121, 57, 95;
$passionate-plum-light: mix(#fff, $passionate-plum, 20%);
$passionate-plum-dark: mix(#000, $passionate-plum, 20%);

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