#B64F4D

CSS

:root {
  --intrigue-red: #b64f4d;
  --intrigue-red-rgb: 182 79 77;
  --intrigue-red-oklch: oklch(0.56 0.135 23.5);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(1 42% 51%);
  border-color: oklch(0.56 0.135 23.5);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b64f4d;
  --color-intrigue-red-50: #ffe7e2;
  --color-intrigue-red-100: #ffd7d1;
  --color-intrigue-red-200: #ffbeb7;
  --color-intrigue-red-300: #f59c94;
  --color-intrigue-red-400: #e37c78;
  --color-intrigue-red-500: #d05c5a;
  --color-intrigue-red-600: #b04f4c;
  --color-intrigue-red-700: #8d3f3d;
  --color-intrigue-red-800: #692c2d;
  --color-intrigue-red-900: #4a1e1e;
  --color-intrigue-red-950: #300d0e;
}

SCSS

$intrigue-red: #b64f4d;
$intrigue-red-rgb: 182, 79, 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);
}