#B14C4D

CSS

:root {
  --intrigue-red: #b14c4d;
  --intrigue-red-rgb: 177 76 77;
  --intrigue-red-oklch: oklch(0.548 0.132 21.9);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(359 40% 50%);
  border-color: oklch(0.548 0.132 21.9);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b14c4d;
  --color-intrigue-red-50: #ffe7e3;
  --color-intrigue-red-100: #ffd7d3;
  --color-intrigue-red-200: #ffbfb9;
  --color-intrigue-red-300: #f49c96;
  --color-intrigue-red-400: #e27d7b;
  --color-intrigue-red-500: #cf5d5d;
  --color-intrigue-red-600: #af4f50;
  --color-intrigue-red-700: #8d3f3f;
  --color-intrigue-red-800: #692d2f;
  --color-intrigue-red-900: #4a1e20;
  --color-intrigue-red-950: #300e0f;
}

SCSS

$intrigue-red: #b14c4d;
$intrigue-red-rgb: 177, 76, 77;
$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);
}