#727579

CSS

:root {
  --paris-paving: #727579;
  --paris-paving-rgb: 114 117 121;
  --paris-paving-oklch: oklch(0.561 0.007 255.5);
}

.element {
  color: var(--paris-paving);
  background-color: hsl(214 3% 46%);
  border-color: oklch(0.561 0.007 255.5);
}

Tailwind CSS v4

@theme {
  --color-paris-paving: #727579;
  --color-paris-paving-50: #f4f5f7;
  --color-paris-paving-100: #e6e8ea;
  --color-paris-paving-200: #d2d4d7;
  --color-paris-paving-300: #b5b7bb;
  --color-paris-paving-400: #9c9fa3;
  --color-paris-paving-500: #83868b;
  --color-paris-paving-600: #6f7276;
  --color-paris-paving-700: #595b5e;
  --color-paris-paving-800: #414245;
  --color-paris-paving-900: #2d2e30;
  --color-paris-paving-950: #1a1b1c;
}

SCSS

$paris-paving: #727579;
$paris-paving-rgb: 114, 117, 121;
$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);
}