#2B0F13

CSS

:root {
  --bruised-plum: #2b0f13;
  --bruised-plum-rgb: 43 15 19;
  --bruised-plum-oklch: oklch(0.214 0.047 13);
}

.element {
  color: var(--bruised-plum);
  background-color: hsl(351 48% 11%);
  border-color: oklch(0.214 0.047 13);
}

Tailwind CSS v4

@theme {
  --color-bruised-plum: #2b0f13;
  --color-bruised-plum-50: #fff0f1;
  --color-bruised-plum-100: #f7e2e3;
  --color-bruised-plum-200: #e8cdce;
  --color-bruised-plum-300: #ceaeb0;
  --color-bruised-plum-400: #b89497;
  --color-bruised-plum-500: #a37a7d;
  --color-bruised-plum-600: #89676a;
  --color-bruised-plum-700: #6e5255;
  --color-bruised-plum-800: #513c3e;
  --color-bruised-plum-900: #39292b;
  --color-bruised-plum-950: #231718;
}

SCSS

$bruised-plum: #2b0f13;
$bruised-plum-rgb: 43, 15, 19;
$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);
}