#1D1224

CSS

:root {
  --shot-in-the-dark: #1d1224;
  --shot-in-the-dark-rgb: 29 18 36;
  --shot-in-the-dark-oklch: oklch(0.206 0.038 311.4);
}

.element {
  color: var(--shot-in-the-dark);
  background-color: hsl(277 33% 11%);
  border-color: oklch(0.206 0.038 311.4);
}

Tailwind CSS v4

@theme {
  --color-shot-in-the-dark: #1d1224;
  --color-shot-in-the-dark-50: #f9f2fd;
  --color-shot-in-the-dark-100: #ece4f1;
  --color-shot-in-the-dark-200: #dad0e0;
  --color-shot-in-the-dark-300: #beb2c6;
  --color-shot-in-the-dark-400: #a698af;
  --color-shot-in-the-dark-500: #8e7f99;
  --color-shot-in-the-dark-600: #796c81;
  --color-shot-in-the-dark-700: #605668;
  --color-shot-in-the-dark-800: #463f4d;
  --color-shot-in-the-dark-900: #312b35;
  --color-shot-in-the-dark-950: #1d1920;
}

SCSS

$shot-in-the-dark: #1d1224;
$shot-in-the-dark-rgb: 29, 18, 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);
}