#AE4E53

CSS

:root {
  --intrigue-red: #ae4e53;
  --intrigue-red-rgb: 174 78 83;
  --intrigue-red-oklch: oklch(0.547 0.126 19);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(357 38% 49%);
  border-color: oklch(0.547 0.126 19);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #ae4e53;
  --color-intrigue-red-50: #ffe8e6;
  --color-intrigue-red-100: #ffd8d6;
  --color-intrigue-red-200: #ffbfbd;
  --color-intrigue-red-300: #f19d9b;
  --color-intrigue-red-400: #df7e81;
  --color-intrigue-red-500: #cc5f64;
  --color-intrigue-red-600: #ac5155;
  --color-intrigue-red-700: #8a4144;
  --color-intrigue-red-800: #672e32;
  --color-intrigue-red-900: #481f22;
  --color-intrigue-red-950: #2f0e11;
}

SCSS

$intrigue-red: #ae4e53;
$intrigue-red-rgb: 174, 78, 83;
$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);
}