#D43F57

CSS

:root {
  --flesh-and-blood: #d43f57;
  --flesh-and-blood-rgb: 212 63 87;
  --flesh-and-blood-oklch: oklch(0.59 0.185 15.8);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(350 63% 54%);
  border-color: oklch(0.59 0.185 15.8);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #d43f57;
  --color-flesh-and-blood-50: #ffe1e1;
  --color-flesh-and-blood-100: #ffcfd1;
  --color-flesh-and-blood-200: #ffb3b7;
  --color-flesh-and-blood-300: #ff8d94;
  --color-flesh-and-blood-400: #f76879;
  --color-flesh-and-blood-500: #e63e5b;
  --color-flesh-and-blood-600: #c2364e;
  --color-flesh-and-blood-700: #9c2b3e;
  --color-flesh-and-blood-800: #741e2f;
  --color-flesh-and-blood-900: #521420;
  --color-flesh-and-blood-950: #37040f;
}

SCSS

$flesh-and-blood: #d43f57;
$flesh-and-blood-rgb: 212, 63, 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);
}