#441723

CSS

:root {
  --what-we-do-in-the-shadows: #441723;
  --what-we-do-in-the-shadows-rgb: 68 23 35;
  --what-we-do-in-the-shadows-oklch: oklch(0.279 0.07 6.3);
}

.element {
  color: var(--what-we-do-in-the-shadows);
  background-color: hsl(344 49% 18%);
  border-color: oklch(0.279 0.07 6.3);
}

Tailwind CSS v4

@theme {
  --color-what-we-do-in-the-shadows: #441723;
  --color-what-we-do-in-the-shadows-50: #ffedf1;
  --color-what-we-do-in-the-shadows-100: #fedfe3;
  --color-what-we-do-in-the-shadows-200: #f0c8ce;
  --color-what-we-do-in-the-shadows-300: #d8a9b0;
  --color-what-we-do-in-the-shadows-400: #c38d98;
  --color-what-we-do-in-the-shadows-500: #af727f;
  --color-what-we-do-in-the-shadows-600: #94616b;
  --color-what-we-do-in-the-shadows-700: #764d56;
  --color-what-we-do-in-the-shadows-800: #57383f;
  --color-what-we-do-in-the-shadows-900: #3d262c;
  --color-what-we-do-in-the-shadows-950: #261519;
}

SCSS

$what-we-do-in-the-shadows: #441723;
$what-we-do-in-the-shadows-rgb: 68, 23, 35;
$what-we-do-in-the-shadows-light: mix(#fff, $what-we-do-in-the-shadows, 20%);
$what-we-do-in-the-shadows-dark: mix(#000, $what-we-do-in-the-shadows, 20%);

.element {
  color: $what-we-do-in-the-shadows;
  box-shadow: 0 0 0 2px rgba($what-we-do-in-the-shadows, 0.35);
}