#B14B53

CSS

:root {
  --intrigue-red: #b14b53;
  --intrigue-red-rgb: 177 75 83;
  --intrigue-red-oklch: oklch(0.548 0.133 17.8);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(355 40% 49%);
  border-color: oklch(0.548 0.133 17.8);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b14b53;
  --color-intrigue-red-50: #ffe7e6;
  --color-intrigue-red-100: #ffd7d6;
  --color-intrigue-red-200: #ffbebd;
  --color-intrigue-red-300: #f49b9b;
  --color-intrigue-red-400: #e27c81;
  --color-intrigue-red-500: #cf5c64;
  --color-intrigue-red-600: #af4e55;
  --color-intrigue-red-700: #8d3e44;
  --color-intrigue-red-800: #692c32;
  --color-intrigue-red-900: #4a1e22;
  --color-intrigue-red-950: #300d11;
}

SCSS

$intrigue-red: #b14b53;
$intrigue-red-rgb: 177, 75, 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);
}