Dark Spell

CSS

:root {
  --dark-spell: #303b4c;
  --dark-spell-rgb: 48 59 76;
  --dark-spell-oklch: oklch(0.35 0.033 259);
}

.element {
  color: var(--dark-spell);
  background-color: hsl(216 23% 24%);
  border-color: oklch(0.35 0.033 259);
}

Tailwind CSS v4

@theme {
  --color-dark-spell: #303b4c;
  --color-dark-spell-50: #f0f5ff;
  --color-dark-spell-100: #e2e8f3;
  --color-dark-spell-200: #ccd5e3;
  --color-dark-spell-300: #aeb8c9;
  --color-dark-spell-400: #939fb3;
  --color-dark-spell-500: #79879d;
  --color-dark-spell-600: #677284;
  --color-dark-spell-700: #525b6a;
  --color-dark-spell-800: #3b434e;
  --color-dark-spell-900: #292e36;
  --color-dark-spell-950: #161b21;
}

SCSS

$dark-spell: #303b4c;
$dark-spell-rgb: 48, 59, 76;
$dark-spell-light: mix(#fff, $dark-spell, 20%);
$dark-spell-dark: mix(#000, $dark-spell, 20%);

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