#1C0F24

CSS

:root {
  --shot-in-the-dark: #1c0f24;
  --shot-in-the-dark-rgb: 28 15 36;
  --shot-in-the-dark-oklch: oklch(0.198 0.044 311.4);
}

.element {
  color: var(--shot-in-the-dark);
  background-color: hsl(277 41% 10%);
  border-color: oklch(0.198 0.044 311.4);
}

Tailwind CSS v4

@theme {
  --color-shot-in-the-dark: #1c0f24;
  --color-shot-in-the-dark-50: #faf2fe;
  --color-shot-in-the-dark-100: #ede4f3;
  --color-shot-in-the-dark-200: #dbcfe2;
  --color-shot-in-the-dark-300: #c0b1c8;
  --color-shot-in-the-dark-400: #a797b2;
  --color-shot-in-the-dark-500: #907e9c;
  --color-shot-in-the-dark-600: #7a6b84;
  --color-shot-in-the-dark-700: #61556a;
  --color-shot-in-the-dark-800: #473e4e;
  --color-shot-in-the-dark-900: #312b36;
  --color-shot-in-the-dark-950: #1d1821;
}

SCSS

$shot-in-the-dark: #1c0f24;
$shot-in-the-dark-rgb: 28, 15, 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);
}