#AB514F

CSS

:root {
  --intrigue-red: #ab514f;
  --intrigue-red-rgb: 171 81 79;
  --intrigue-red-oklch: oklch(0.547 0.119 23.1);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(1 37% 49%);
  border-color: oklch(0.547 0.119 23.1);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #ab514f;
  --color-intrigue-red-50: #ffe9e4;
  --color-intrigue-red-100: #ffd9d4;
  --color-intrigue-red-200: #ffc1bb;
  --color-intrigue-red-300: #eea099;
  --color-intrigue-red-400: #dc817d;
  --color-intrigue-red-500: #c96360;
  --color-intrigue-red-600: #aa5452;
  --color-intrigue-red-700: #884341;
  --color-intrigue-red-800: #653030;
  --color-intrigue-red-900: #472021;
  --color-intrigue-red-950: #2e1010;
}

SCSS

$intrigue-red: #ab514f;
$intrigue-red-rgb: 171, 81, 79;
$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);
}