#B44A49

CSS

:root {
  --intrigue-red: #b44a49;
  --intrigue-red-rgb: 180 74 73;
  --intrigue-red-oklch: oklch(0.549 0.139 23.3);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(1 42% 50%);
  border-color: oklch(0.549 0.139 23.3);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b44a49;
  --color-intrigue-red-50: #ffe7e1;
  --color-intrigue-red-100: #ffd7d0;
  --color-intrigue-red-200: #ffbeb6;
  --color-intrigue-red-300: #f69b93;
  --color-intrigue-red-400: #e57b77;
  --color-intrigue-red-500: #d25a59;
  --color-intrigue-red-600: #b24d4c;
  --color-intrigue-red-700: #8f3e3c;
  --color-intrigue-red-800: #6a2b2d;
  --color-intrigue-red-900: #4b1d1e;
  --color-intrigue-red-950: #310d0e;
}

SCSS

$intrigue-red: #b44a49;
$intrigue-red-rgb: 180, 74, 73;
$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);
}