#B64845

CSS

:root {
  --intrigue-red: #b64845;
  --intrigue-red-rgb: 182 72 69;
  --intrigue-red-oklch: oklch(0.549 0.144 24.6);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(2 45% 49%);
  border-color: oklch(0.549 0.144 24.6);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b64845;
  --color-intrigue-red-50: #ffe6df;
  --color-intrigue-red-100: #ffd6cf;
  --color-intrigue-red-200: #ffbdb4;
  --color-intrigue-red-300: #f89a90;
  --color-intrigue-red-400: #e77973;
  --color-intrigue-red-500: #d55854;
  --color-intrigue-red-600: #b44b48;
  --color-intrigue-red-700: #903c39;
  --color-intrigue-red-800: #6c2a2a;
  --color-intrigue-red-900: #4c1d1c;
  --color-intrigue-red-950: #320c0d;
}

SCSS

$intrigue-red: #b64845;
$intrigue-red-rgb: 182, 72, 69;
$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);
}