#777188

CSS

:root {
  --flying-carpet: #777188;
  --flying-carpet-rgb: 119 113 136;
  --flying-carpet-oklch: oklch(0.562 0.036 297.2);
}

.element {
  color: var(--flying-carpet);
  background-color: hsl(256 9% 49%);
  border-color: oklch(0.562 0.036 297.2);
}

Tailwind CSS v4

@theme {
  --color-flying-carpet: #777188;
  --color-flying-carpet-50: #f6f3fe;
  --color-flying-carpet-100: #e9e5f2;
  --color-flying-carpet-200: #d6d1e2;
  --color-flying-carpet-300: #bab4c8;
  --color-flying-carpet-400: #a09ab1;
  --color-flying-carpet-500: #88829b;
  --color-flying-carpet-600: #736e83;
  --color-flying-carpet-700: #5c5869;
  --color-flying-carpet-800: #43404e;
  --color-flying-carpet-900: #2e2c36;
  --color-flying-carpet-950: #1b1921;
}

SCSS

$flying-carpet: #777188;
$flying-carpet-rgb: 119, 113, 136;
$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);
}