#B94547

CSS

:root {
  --intrigue-red: #b94547;
  --intrigue-red-rgb: 185 69 71;
  --intrigue-red-oklch: oklch(0.55 0.15 22.5);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(359 46% 50%);
  border-color: oklch(0.55 0.15 22.5);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b94547;
  --color-intrigue-red-50: #ffe5e0;
  --color-intrigue-red-100: #ffd5cf;
  --color-intrigue-red-200: #ffbbb4;
  --color-intrigue-red-300: #fb9891;
  --color-intrigue-red-400: #ea7775;
  --color-intrigue-red-500: #d85456;
  --color-intrigue-red-600: #b64849;
  --color-intrigue-red-700: #923a3a;
  --color-intrigue-red-800: #6d292b;
  --color-intrigue-red-900: #4d1b1d;
  --color-intrigue-red-950: #320b0d;
}

SCSS

$intrigue-red: #b94547;
$intrigue-red-rgb: 185, 69, 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);
}