#2D0D16

CSS

:root {
  --bruised-plum: #2d0d16;
  --bruised-plum-rgb: 45 13 22;
  --bruised-plum-oklch: oklch(0.215 0.054 5.2);
}

.element {
  color: var(--bruised-plum);
  background-color: hsl(343 55% 11%);
  border-color: oklch(0.215 0.054 5.2);
}

Tailwind CSS v4

@theme {
  --color-bruised-plum: #2d0d16;
  --color-bruised-plum-50: #ffeff2;
  --color-bruised-plum-100: #f9e1e5;
  --color-bruised-plum-200: #eacbd0;
  --color-bruised-plum-300: #d1adb2;
  --color-bruised-plum-400: #bb929a;
  --color-bruised-plum-500: #a67881;
  --color-bruised-plum-600: #8c656d;
  --color-bruised-plum-700: #705157;
  --color-bruised-plum-800: #533b40;
  --color-bruised-plum-900: #3a282c;
  --color-bruised-plum-950: #241619;
}

SCSS

$bruised-plum: #2d0d16;
$bruised-plum-rgb: 45, 13, 22;
$bruised-plum-light: mix(#fff, $bruised-plum, 20%);
$bruised-plum-dark: mix(#000, $bruised-plum, 20%);

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