#D23B56

CSS

:root {
  --flesh-and-blood: #d23b56;
  --flesh-and-blood-rgb: 210 59 86;
  --flesh-and-blood-oklch: oklch(0.583 0.187 15.1);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(349 63% 53%);
  border-color: oklch(0.583 0.187 15.1);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #d23b56;
  --color-flesh-and-blood-50: #ffe0e2;
  --color-flesh-and-blood-100: #ffcfd1;
  --color-flesh-and-blood-200: #ffb3b7;
  --color-flesh-and-blood-300: #ff8d94;
  --color-flesh-and-blood-400: #f8677a;
  --color-flesh-and-blood-500: #e73c5d;
  --color-flesh-and-blood-600: #c3354f;
  --color-flesh-and-blood-700: #9d2a3f;
  --color-flesh-and-blood-800: #751d2f;
  --color-flesh-and-blood-900: #531320;
  --color-flesh-and-blood-950: #370410;
}

SCSS

$flesh-and-blood: #d23b56;
$flesh-and-blood-rgb: 210, 59, 86;
$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);
}