#CF4054

CSS

:root {
  --flesh-and-blood: #cf4054;
  --flesh-and-blood-rgb: 207 64 84;
  --flesh-and-blood-oklch: oklch(0.582 0.179 16.8);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(352 60% 53%);
  border-color: oklch(0.582 0.179 16.8);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #cf4054;
  --color-flesh-and-blood-50: #ffe1e1;
  --color-flesh-and-blood-100: #ffd0d1;
  --color-flesh-and-blood-200: #ffb5b6;
  --color-flesh-and-blood-300: #ff8f93;
  --color-flesh-and-blood-400: #f56b78;
  --color-flesh-and-blood-500: #e3425a;
  --color-flesh-and-blood-600: #c03a4d;
  --color-flesh-and-blood-700: #9b2e3d;
  --color-flesh-and-blood-800: #73202e;
  --color-flesh-and-blood-900: #51151f;
  --color-flesh-and-blood-950: #36050f;
}

SCSS

$flesh-and-blood: #cf4054;
$flesh-and-blood-rgb: 207, 64, 84;
$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);
}