#B44950

CSS

:root {
  --intrigue-red: #b44950;
  --intrigue-red-rgb: 180 73 80;
  --intrigue-red-oklch: oklch(0.549 0.139 19);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(356 42% 50%);
  border-color: oklch(0.549 0.139 19);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b44950;
  --color-intrigue-red-50: #ffe6e4;
  --color-intrigue-red-100: #ffd6d4;
  --color-intrigue-red-200: #ffbdbb;
  --color-intrigue-red-300: #f79a98;
  --color-intrigue-red-400: #e57a7d;
  --color-intrigue-red-500: #d25961;
  --color-intrigue-red-600: #b24c52;
  --color-intrigue-red-700: #8f3d41;
  --color-intrigue-red-800: #6a2b31;
  --color-intrigue-red-900: #4b1d21;
  --color-intrigue-red-950: #310c10;
}

SCSS

$intrigue-red: #b44950;
$intrigue-red-rgb: 180, 73, 80;
$intrigue-red-light: mix(#fff, $intrigue-red, 20%);
$intrigue-red-dark: mix(#000, $intrigue-red, 20%);

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