#D24255

CSS

:root {
  --flesh-and-blood: #d24255;
  --flesh-and-blood-rgb: 210 66 85;
  --flesh-and-blood-oklch: oklch(0.59 0.18 17.1);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(352 62% 54%);
  border-color: oklch(0.59 0.18 17.1);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #d24255;
  --color-flesh-and-blood-50: #ffe1e1;
  --color-flesh-and-blood-100: #ffd0d0;
  --color-flesh-and-blood-200: #ffb5b6;
  --color-flesh-and-blood-300: #ff8f92;
  --color-flesh-and-blood-400: #f66b77;
  --color-flesh-and-blood-500: #e44259;
  --color-flesh-and-blood-600: #c13a4c;
  --color-flesh-and-blood-700: #9b2e3c;
  --color-flesh-and-blood-800: #731f2e;
  --color-flesh-and-blood-900: #52151f;
  --color-flesh-and-blood-950: #36050f;
}

SCSS

$flesh-and-blood: #d24255;
$flesh-and-blood-rgb: 210, 66, 85;
$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);
}