#78718C

CSS

:root {
  --flying-carpet: #78718c;
  --flying-carpet-rgb: 120 113 140;
  --flying-carpet-oklch: oklch(0.565 0.042 296.9);
}

.element {
  color: var(--flying-carpet);
  background-color: hsl(256 11% 50%);
  border-color: oklch(0.565 0.042 296.9);
}

Tailwind CSS v4

@theme {
  --color-flying-carpet: #78718c;
  --color-flying-carpet-50: #f6f3ff;
  --color-flying-carpet-100: #e9e5f4;
  --color-flying-carpet-200: #d6d1e4;
  --color-flying-carpet-300: #bab3ca;
  --color-flying-carpet-400: #a19ab5;
  --color-flying-carpet-500: #89819f;
  --color-flying-carpet-600: #746d87;
  --color-flying-carpet-700: #5c576c;
  --color-flying-carpet-800: #434050;
  --color-flying-carpet-900: #2e2c37;
  --color-flying-carpet-950: #1b1922;
}

SCSS

$flying-carpet: #78718c;
$flying-carpet-rgb: 120, 113, 140;
$flying-carpet-light: mix(#fff, $flying-carpet, 20%);
$flying-carpet-dark: mix(#000, $flying-carpet, 20%);

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