#777378

CSS

:root {
  --paris-paving: #777378;
  --paris-paving-rgb: 119 115 120;
  --paris-paving-oklch: oklch(0.561 0.009 319.4);
}

.element {
  color: var(--paris-paving);
  background-color: hsl(288 2% 46%);
  border-color: oklch(0.561 0.009 319.4);
}

Tailwind CSS v4

@theme {
  --color-paris-paving: #777378;
  --color-paris-paving-50: #f6f4f7;
  --color-paris-paving-100: #e9e7ea;
  --color-paris-paving-200: #d6d3d6;
  --color-paris-paving-300: #b9b6ba;
  --color-paris-paving-400: #a19da2;
  --color-paris-paving-500: #89848a;
  --color-paris-paving-600: #747075;
  --color-paris-paving-700: #5d5a5d;
  --color-paris-paving-800: #444144;
  --color-paris-paving-900: #2f2d2f;
  --color-paris-paving-950: #1b1a1c;
}

SCSS

$paris-paving: #777378;
$paris-paving-rgb: 119, 115, 120;
$paris-paving-light: mix(#fff, $paris-paving, 20%);
$paris-paving-dark: mix(#000, $paris-paving, 20%);

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