#CF4651

CSS

:root {
  --flesh-and-blood: #cf4651;
  --flesh-and-blood-rgb: 207 70 81;
  --flesh-and-blood-oklch: oklch(0.588 0.172 19.7);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(355 59% 54%);
  border-color: oklch(0.588 0.172 19.7);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #cf4651;
  --color-flesh-and-blood-50: #ffe2df;
  --color-flesh-and-blood-100: #ffd2ce;
  --color-flesh-and-blood-200: #ffb7b3;
  --color-flesh-and-blood-300: #ff9190;
  --color-flesh-and-blood-400: #f36e74;
  --color-flesh-and-blood-500: #e14755;
  --color-flesh-and-blood-600: #be3e49;
  --color-flesh-and-blood-700: #99313a;
  --color-flesh-and-blood-800: #72222b;
  --color-flesh-and-blood-900: #51171d;
  --color-flesh-and-blood-950: #35070d;
}

SCSS

$flesh-and-blood: #cf4651;
$flesh-and-blood-rgb: 207, 70, 81;
$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);
}