#221127

CSS

:root {
  --shot-in-the-dark: #221127;
  --shot-in-the-dark-rgb: 34 17 39;
  --shot-in-the-dark-oklch: oklch(0.213 0.048 318.3);
}

.element {
  color: var(--shot-in-the-dark);
  background-color: hsl(286 39% 11%);
  border-color: oklch(0.213 0.048 318.3);
}

Tailwind CSS v4

@theme {
  --color-shot-in-the-dark: #221127;
  --color-shot-in-the-dark-50: #fcf1fe;
  --color-shot-in-the-dark-100: #efe3f2;
  --color-shot-in-the-dark-200: #decee1;
  --color-shot-in-the-dark-300: #c3b0c7;
  --color-shot-in-the-dark-400: #ab96b1;
  --color-shot-in-the-dark-500: #947c9b;
  --color-shot-in-the-dark-600: #7d6983;
  --color-shot-in-the-dark-700: #645469;
  --color-shot-in-the-dark-800: #493d4e;
  --color-shot-in-the-dark-900: #332a36;
  --color-shot-in-the-dark-950: #1e1821;
}

SCSS

$shot-in-the-dark: #221127;
$shot-in-the-dark-rgb: 34, 17, 39;
$shot-in-the-dark-light: mix(#fff, $shot-in-the-dark, 20%);
$shot-in-the-dark-dark: mix(#000, $shot-in-the-dark, 20%);

.element {
  color: $shot-in-the-dark;
  box-shadow: 0 0 0 2px rgba($shot-in-the-dark, 0.35);
}