Extinct Volcano

CSS

:root {
  --extinct-volcano: #4a4f5a;
  --extinct-volcano-rgb: 74 79 90;
  --extinct-volcano-oklch: oklch(0.427 0.019 266.1);
}

.element {
  color: var(--extinct-volcano);
  background-color: hsl(221 10% 32%);
  border-color: oklch(0.427 0.019 266.1);
}

Tailwind CSS v4

@theme {
  --color-extinct-volcano: #4a4f5a;
  --color-extinct-volcano-50: #f3f5fb;
  --color-extinct-volcano-100: #e5e8ef;
  --color-extinct-volcano-200: #d1d4dd;
  --color-extinct-volcano-300: #b3b7c2;
  --color-extinct-volcano-400: #999eaa;
  --color-extinct-volcano-500: #808693;
  --color-extinct-volcano-600: #6c727d;
  --color-extinct-volcano-700: #575b64;
  --color-extinct-volcano-800: #3f4249;
  --color-extinct-volcano-900: #2b2e33;
  --color-extinct-volcano-950: #191b1f;
}

SCSS

$extinct-volcano: #4a4f5a;
$extinct-volcano-rgb: 74, 79, 90;
$extinct-volcano-light: mix(#fff, $extinct-volcano, 20%);
$extinct-volcano-dark: mix(#000, $extinct-volcano, 20%);

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