#CF4557

CSS

:root {
  --flesh-and-blood: #cf4557;
  --flesh-and-blood-rgb: 207 69 87;
  --flesh-and-blood-oklch: oklch(0.588 0.173 16.8);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(352 59% 54%);
  border-color: oklch(0.588 0.173 16.8);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #cf4557;
  --color-flesh-and-blood-50: #ffe2e2;
  --color-flesh-and-blood-100: #ffd1d1;
  --color-flesh-and-blood-200: #ffb6b7;
  --color-flesh-and-blood-300: #ff9194;
  --color-flesh-and-blood-400: #f36d79;
  --color-flesh-and-blood-500: #e1465c;
  --color-flesh-and-blood-600: #be3d4e;
  --color-flesh-and-blood-700: #99313e;
  --color-flesh-and-blood-800: #72222f;
  --color-flesh-and-blood-900: #501620;
  --color-flesh-and-blood-950: #35060f;
}

SCSS

$flesh-and-blood: #cf4557;
$flesh-and-blood-rgb: 207, 69, 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);
}