#AB5052

CSS

:root {
  --intrigue-red: #ab5052;
  --intrigue-red-rgb: 171 80 82;
  --intrigue-red-oklch: oklch(0.546 0.12 20.5);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(359 36% 49%);
  border-color: oklch(0.546 0.12 20.5);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #ab5052;
  --color-intrigue-red-50: #ffe9e5;
  --color-intrigue-red-100: #ffd9d6;
  --color-intrigue-red-200: #ffc1bd;
  --color-intrigue-red-300: #ef9f9b;
  --color-intrigue-red-400: #dc8080;
  --color-intrigue-red-500: #c96264;
  --color-intrigue-red-600: #aa5355;
  --color-intrigue-red-700: #884244;
  --color-intrigue-red-800: #652f32;
  --color-intrigue-red-900: #472022;
  --color-intrigue-red-950: #2e0f11;
}

SCSS

$intrigue-red: #ab5052;
$intrigue-red-rgb: 171, 80, 82;
$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);
}