#B14D47

CSS

:root {
  --intrigue-red: #b14d47;
  --intrigue-red-rgb: 177 77 71;
  --intrigue-red-oklch: oklch(0.548 0.132 25.8);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(3 43% 49%);
  border-color: oklch(0.548 0.132 25.8);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b14d47;
  --color-intrigue-red-50: #ffe8e0;
  --color-intrigue-red-100: #ffd8d0;
  --color-intrigue-red-200: #ffbfb5;
  --color-intrigue-red-300: #f49d92;
  --color-intrigue-red-400: #e27e75;
  --color-intrigue-red-500: #cf5e57;
  --color-intrigue-red-600: #af504a;
  --color-intrigue-red-700: #8d403b;
  --color-intrigue-red-800: #692d2b;
  --color-intrigue-red-900: #4a1f1d;
  --color-intrigue-red-950: #300e0d;
}

SCSS

$intrigue-red: #b14d47;
$intrigue-red-rgb: 177, 77, 71;
$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);
}