#723B50

CSS

:root {
  --passionate-plum: #723b50;
  --passionate-plum-rgb: 114 59 80;
  --passionate-plum-oklch: oklch(0.428 0.081 356.8);
}

.element {
  color: var(--passionate-plum);
  background-color: hsl(337 32% 34%);
  border-color: oklch(0.428 0.081 356.8);
}

Tailwind CSS v4

@theme {
  --color-passionate-plum: #723b50;
  --color-passionate-plum-50: #ffecf5;
  --color-passionate-plum-100: #ffdde7;
  --color-passionate-plum-200: #f3c6d3;
  --color-passionate-plum-300: #dba7b6;
  --color-passionate-plum-400: #c68b9f;
  --color-passionate-plum-500: #b26f87;
  --color-passionate-plum-600: #965e72;
  --color-passionate-plum-700: #784b5b;
  --color-passionate-plum-800: #593644;
  --color-passionate-plum-900: #3e252f;
  --color-passionate-plum-950: #27141b;
}

SCSS

$passionate-plum: #723b50;
$passionate-plum-rgb: 114, 59, 80;
$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);
}