#737578

CSS

:root {
  --paris-paving: #737578;
  --paris-paving-rgb: 115 117 120;
  --paris-paving-oklch: oklch(0.562 0.005 258.3);
}

.element {
  color: var(--paris-paving);
  background-color: hsl(216 2% 46%);
  border-color: oklch(0.562 0.005 258.3);
}

Tailwind CSS v4

@theme {
  --color-paris-paving: #737578;
  --color-paris-paving-50: #f4f5f7;
  --color-paris-paving-100: #e7e8ea;
  --color-paris-paving-200: #d3d4d6;
  --color-paris-paving-300: #b6b7ba;
  --color-paris-paving-400: #9c9ea1;
  --color-paris-paving-500: #84868a;
  --color-paris-paving-600: #707274;
  --color-paris-paving-700: #595b5d;
  --color-paris-paving-800: #414244;
  --color-paris-paving-900: #2d2e2f;
  --color-paris-paving-950: #1a1b1c;
}

SCSS

$paris-paving: #737578;
$paris-paving-rgb: 115, 117, 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);
}