#B24C47

CSS

:root {
  --intrigue-red: #b24c47;
  --intrigue-red-rgb: 178 76 71;
  --intrigue-red-oklch: oklch(0.548 0.134 25.3);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(3 43% 49%);
  border-color: oklch(0.548 0.134 25.3);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b24c47;
  --color-intrigue-red-50: #ffe7e0;
  --color-intrigue-red-100: #ffd8d0;
  --color-intrigue-red-200: #ffbfb5;
  --color-intrigue-red-300: #f59c92;
  --color-intrigue-red-400: #e37d75;
  --color-intrigue-red-500: #d05d57;
  --color-intrigue-red-600: #b04f4a;
  --color-intrigue-red-700: #8d3f3b;
  --color-intrigue-red-800: #692d2b;
  --color-intrigue-red-900: #4a1e1d;
  --color-intrigue-red-950: #300e0d;
}

SCSS

$intrigue-red: #b24c47;
$intrigue-red-rgb: 178, 76, 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);
}