#B64847

CSS

:root {
  --intrigue-red: #b64847;
  --intrigue-red-rgb: 182 72 71;
  --intrigue-red-oklch: oklch(0.549 0.144 23.6);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(1 44% 50%);
  border-color: oklch(0.549 0.144 23.6);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b64847;
  --color-intrigue-red-50: #ffe6e0;
  --color-intrigue-red-100: #ffd6cf;
  --color-intrigue-red-200: #ffbdb5;
  --color-intrigue-red-300: #f89a91;
  --color-intrigue-red-400: #e77975;
  --color-intrigue-red-500: #d45856;
  --color-intrigue-red-600: #b34b4a;
  --color-intrigue-red-700: #903c3b;
  --color-intrigue-red-800: #6b2a2c;
  --color-intrigue-red-900: #4c1d1d;
  --color-intrigue-red-950: #320c0d;
}

SCSS

$intrigue-red: #b64847;
$intrigue-red-rgb: 182, 72, 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);
}