#443758

CSS

:root {
  --sanctum-of-shadows: #443758;
  --sanctum-of-shadows-rgb: 68 55 88;
  --sanctum-of-shadows-oklch: oklch(0.365 0.058 301.7);
}

.element {
  color: var(--sanctum-of-shadows);
  background-color: hsl(264 23% 28%);
  border-color: oklch(0.365 0.058 301.7);
}

Tailwind CSS v4

@theme {
  --color-sanctum-of-shadows: #443758;
  --color-sanctum-of-shadows-50: #f8f1ff;
  --color-sanctum-of-shadows-100: #ece4f8;
  --color-sanctum-of-shadows-200: #d9cfe9;
  --color-sanctum-of-shadows-300: #bdb1d0;
  --color-sanctum-of-shadows-400: #a497bc;
  --color-sanctum-of-shadows-500: #8d7da7;
  --color-sanctum-of-shadows-600: #776a8d;
  --color-sanctum-of-shadows-700: #5f5571;
  --color-sanctum-of-shadows-800: #453e54;
  --color-sanctum-of-shadows-900: #302b3a;
  --color-sanctum-of-shadows-950: #1c1824;
}

SCSS

$sanctum-of-shadows: #443758;
$sanctum-of-shadows-rgb: 68, 55, 88;
$sanctum-of-shadows-light: mix(#fff, $sanctum-of-shadows, 20%);
$sanctum-of-shadows-dark: mix(#000, $sanctum-of-shadows, 20%);

.element {
  color: $sanctum-of-shadows;
  box-shadow: 0 0 0 2px rgba($sanctum-of-shadows, 0.35);
}