#C84857

CSS

:root {
  --flesh-and-blood: #c84857;
  --flesh-and-blood-rgb: 200 72 87;
  --flesh-and-blood-oklch: oklch(0.581 0.163 16.9);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(353 54% 53%);
  border-color: oklch(0.581 0.163 16.9);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #c84857;
  --color-flesh-and-blood-50: #ffe3e3;
  --color-flesh-and-blood-100: #ffd3d3;
  --color-flesh-and-blood-200: #ffb8b9;
  --color-flesh-and-blood-300: #ff9496;
  --color-flesh-and-blood-400: #ee717c;
  --color-flesh-and-blood-500: #dc4d5e;
  --color-flesh-and-blood-600: #ba4250;
  --color-flesh-and-blood-700: #963540;
  --color-flesh-and-blood-800: #6f2530;
  --color-flesh-and-blood-900: #4f1920;
  --color-flesh-and-blood-950: #340810;
}

SCSS

$flesh-and-blood: #c84857;
$flesh-and-blood-rgb: 200, 72, 87;
$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);
}