#D44053

CSS

:root {
  --flesh-and-blood: #d44053;
  --flesh-and-blood-rgb: 212 64 83;
  --flesh-and-blood-oklch: oklch(0.591 0.184 17.7);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(352 63% 54%);
  border-color: oklch(0.591 0.184 17.7);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #d44053;
  --color-flesh-and-blood-50: #ffe1e0;
  --color-flesh-and-blood-100: #ffd0cf;
  --color-flesh-and-blood-200: #ffb4b4;
  --color-flesh-and-blood-300: #ff8e90;
  --color-flesh-and-blood-400: #f76975;
  --color-flesh-and-blood-500: #e63f57;
  --color-flesh-and-blood-600: #c2374a;
  --color-flesh-and-blood-700: #9c2c3b;
  --color-flesh-and-blood-800: #741e2c;
  --color-flesh-and-blood-900: #52141e;
  --color-flesh-and-blood-950: #37040e;
}

SCSS

$flesh-and-blood: #d44053;
$flesh-and-blood-rgb: 212, 64, 83;
$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);
}