#1F0C1A

CSS

:root {
  --shot-in-the-dark: #1f0c1a;
  --shot-in-the-dark-rgb: 31 12 26;
  --shot-in-the-dark-oklch: oklch(0.19 0.04 337.8);
}

.element {
  color: var(--shot-in-the-dark);
  background-color: hsl(316 44% 8%);
  border-color: oklch(0.19 0.04 337.8);
}

Tailwind CSS v4

@theme {
  --color-shot-in-the-dark: #1f0c1a;
  --color-shot-in-the-dark-50: #fef1f9;
  --color-shot-in-the-dark-100: #f2e3ec;
  --color-shot-in-the-dark-200: #e1ceda;
  --color-shot-in-the-dark-300: #c6b0be;
  --color-shot-in-the-dark-400: #af96a7;
  --color-shot-in-the-dark-500: #997c90;
  --color-shot-in-the-dark-600: #816979;
  --color-shot-in-the-dark-700: #675461;
  --color-shot-in-the-dark-800: #4c3d48;
  --color-shot-in-the-dark-900: #352a32;
  --color-shot-in-the-dark-950: #20181e;
}

SCSS

$shot-in-the-dark: #1f0c1a;
$shot-in-the-dark-rgb: 31, 12, 26;
$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);
}