#C94755

CSS

:root {
  --flesh-and-blood: #c94755;
  --flesh-and-blood-rgb: 201 71 85;
  --flesh-and-blood-oklch: oklch(0.581 0.165 17.6);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(354 55% 53%);
  border-color: oklch(0.581 0.165 17.6);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #c94755;
  --color-flesh-and-blood-50: #ffe3e2;
  --color-flesh-and-blood-100: #ffd3d2;
  --color-flesh-and-blood-200: #ffb8b8;
  --color-flesh-and-blood-300: #ff9395;
  --color-flesh-and-blood-400: #f0717a;
  --color-flesh-and-blood-500: #de4c5c;
  --color-flesh-and-blood-600: #bb414e;
  --color-flesh-and-blood-700: #96343e;
  --color-flesh-and-blood-800: #70242f;
  --color-flesh-and-blood-900: #4f1820;
  --color-flesh-and-blood-950: #34080f;
}

SCSS

$flesh-and-blood: #c94755;
$flesh-and-blood-rgb: 201, 71, 85;
$flesh-and-blood-light: mix(#fff, $flesh-and-blood, 20%);
$flesh-and-blood-dark: mix(#000, $flesh-and-blood, 20%);

.element {
  color: $flesh-and-blood;
  box-shadow: 0 0 0 2px rgba($flesh-and-blood, 0.35);
}