After Dark

CSS

:root {
  --after-dark: #3c3535;
  --after-dark-rgb: 60 53 53;
  --after-dark-oklch: oklch(0.336 0.01 17.7);
}

.element {
  color: var(--after-dark);
  background-color: hsl(0 6% 22%);
  border-color: oklch(0.336 0.01 17.7);
}

Tailwind CSS v4

@theme {
  --color-after-dark: #3c3535;
  --color-after-dark-50: #f8f4f4;
  --color-after-dark-100: #ebe7e6;
  --color-after-dark-200: #d8d3d2;
  --color-after-dark-300: #bcb5b5;
  --color-after-dark-400: #a49c9c;
  --color-after-dark-500: #8d8484;
  --color-after-dark-600: #776f6f;
  --color-after-dark-700: #5f5959;
  --color-after-dark-800: #464141;
  --color-after-dark-900: #302d2d;
  --color-after-dark-950: #1c1a1a;
}

SCSS

$after-dark: #3c3535;
$after-dark-rgb: 60, 53, 53;
$after-dark-light: mix(#fff, $after-dark, 20%);
$after-dark-dark: mix(#000, $after-dark, 20%);

.element {
  color: $after-dark;
  box-shadow: 0 0 0 2px rgba($after-dark, 0.35);
}