#CC3010

CSS

:root {
  --piment-piquant: #cc3010;
  --piment-piquant-rgb: 204 48 16;
  --piment-piquant-oklch: oklch(0.554 0.196 32.8);
}

.element {
  color: var(--piment-piquant);
  background-color: hsl(10 85% 43%);
  border-color: oklch(0.554 0.196 32.8);
}

Tailwind CSS v4

@theme {
  --color-piment-piquant: #cc3010;
  --color-piment-piquant-50: #ffe2d0;
  --color-piment-piquant-100: #ffd1bc;
  --color-piment-piquant-200: #ffb59b;
  --color-piment-piquant-300: #ff8f70;
  --color-piment-piquant-400: #fc694c;
  --color-piment-piquant-500: #eb3c19;
  --color-piment-piquant-600: #c73519;
  --color-piment-piquant-700: #a02b14;
  --color-piment-piquant-800: #781c11;
  --color-piment-piquant-900: #55130a;
  --color-piment-piquant-950: #380301;
}

SCSS

$piment-piquant: #cc3010;
$piment-piquant-rgb: 204, 48, 16;
$piment-piquant-light: mix(#fff, $piment-piquant, 20%);
$piment-piquant-dark: mix(#000, $piment-piquant, 20%);

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