#251025

CSS

:root {
  --shot-in-the-dark: #251025;
  --shot-in-the-dark-rgb: 37 16 37;
  --shot-in-the-dark-oklch: oklch(0.214 0.05 327.1);
}

.element {
  color: var(--shot-in-the-dark);
  background-color: hsl(300 40% 10%);
  border-color: oklch(0.214 0.05 327.1);
}

Tailwind CSS v4

@theme {
  --color-shot-in-the-dark: #251025;
  --color-shot-in-the-dark-50: #fef0fc;
  --color-shot-in-the-dark-100: #f2e2f0;
  --color-shot-in-the-dark-200: #e1cddf;
  --color-shot-in-the-dark-300: #c6afc4;
  --color-shot-in-the-dark-400: #af94ae;
  --color-shot-in-the-dark-500: #987b98;
  --color-shot-in-the-dark-600: #816880;
  --color-shot-in-the-dark-700: #675367;
  --color-shot-in-the-dark-800: #4b3d4c;
  --color-shot-in-the-dark-900: #342a35;
  --color-shot-in-the-dark-950: #201720;
}

SCSS

$shot-in-the-dark: #251025;
$shot-in-the-dark-rgb: 37, 16, 37;
$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);
}