#72384D

CSS

:root {
  --passionate-plum: #72384d;
  --passionate-plum-rgb: 114 56 77;
  --passionate-plum-oklch: oklch(0.422 0.085 358.4);
}

.element {
  color: var(--passionate-plum);
  background-color: hsl(338 34% 33%);
  border-color: oklch(0.422 0.085 358.4);
}

Tailwind CSS v4

@theme {
  --color-passionate-plum: #72384d;
  --color-passionate-plum-50: #ffecf4;
  --color-passionate-plum-100: #ffdde6;
  --color-passionate-plum-200: #f4c6d2;
  --color-passionate-plum-300: #dda6b5;
  --color-passionate-plum-400: #c8899e;
  --color-passionate-plum-500: #b46e85;
  --color-passionate-plum-600: #985d71;
  --color-passionate-plum-700: #7a4a5a;
  --color-passionate-plum-800: #5a3643;
  --color-passionate-plum-900: #3f252e;
  --color-passionate-plum-950: #28131b;
}

SCSS

$passionate-plum: #72384d;
$passionate-plum-rgb: 114, 56, 77;
$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);
}