#1A0D1B

CSS

:root {
  --shot-in-the-dark: #1a0d1b;
  --shot-in-the-dark-rgb: 26 13 27;
  --shot-in-the-dark-oklch: oklch(0.184 0.034 324.3);
}

.element {
  color: var(--shot-in-the-dark);
  background-color: hsl(296 35% 8%);
  border-color: oklch(0.184 0.034 324.3);
}

Tailwind CSS v4

@theme {
  --color-shot-in-the-dark: #1a0d1b;
  --color-shot-in-the-dark-50: #fbf2fa;
  --color-shot-in-the-dark-100: #eee4ee;
  --color-shot-in-the-dark-200: #dccfdc;
  --color-shot-in-the-dark-300: #c1b2c1;
  --color-shot-in-the-dark-400: #a998aa;
  --color-shot-in-the-dark-500: #927f93;
  --color-shot-in-the-dark-600: #7b6b7c;
  --color-shot-in-the-dark-700: #635664;
  --color-shot-in-the-dark-800: #483f49;
  --color-shot-in-the-dark-900: #322b33;
  --color-shot-in-the-dark-950: #1e181f;
}

SCSS

$shot-in-the-dark: #1a0d1b;
$shot-in-the-dark-rgb: 26, 13, 27;
$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);
}