#1E1424

CSS

:root {
  --shot-in-the-dark: #1e1424;
  --shot-in-the-dark-rgb: 30 20 36;
  --shot-in-the-dark-oklch: oklch(0.212 0.034 312.2);
}

.element {
  color: var(--shot-in-the-dark);
  background-color: hsl(278 29% 11%);
  border-color: oklch(0.212 0.034 312.2);
}

Tailwind CSS v4

@theme {
  --color-shot-in-the-dark: #1e1424;
  --color-shot-in-the-dark-50: #f9f2fc;
  --color-shot-in-the-dark-100: #ece5f0;
  --color-shot-in-the-dark-200: #dad0df;
  --color-shot-in-the-dark-300: #beb3c4;
  --color-shot-in-the-dark-400: #a599ad;
  --color-shot-in-the-dark-500: #8e8097;
  --color-shot-in-the-dark-600: #786c7f;
  --color-shot-in-the-dark-700: #605766;
  --color-shot-in-the-dark-800: #463f4b;
  --color-shot-in-the-dark-900: #302c34;
  --color-shot-in-the-dark-950: #1d1920;
}

SCSS

$shot-in-the-dark: #1e1424;
$shot-in-the-dark-rgb: 30, 20, 36;
$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);
}