#D24351

CSS

:root {
  --flesh-and-blood: #d24351;
  --flesh-and-blood-rgb: 210 67 81;
  --flesh-and-blood-oklch: oklch(0.59 0.179 19.1);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(354 61% 54%);
  border-color: oklch(0.59 0.179 19.1);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #d24351;
  --color-flesh-and-blood-50: #ffe2df;
  --color-flesh-and-blood-100: #ffd1ce;
  --color-flesh-and-blood-200: #ffb5b3;
  --color-flesh-and-blood-300: #ff908f;
  --color-flesh-and-blood-400: #f56b73;
  --color-flesh-and-blood-500: #e44355;
  --color-flesh-and-blood-600: #c03a48;
  --color-flesh-and-blood-700: #9b2f39;
  --color-flesh-and-blood-800: #73202b;
  --color-flesh-and-blood-900: #52151d;
  --color-flesh-and-blood-950: #36050d;
}

SCSS

$flesh-and-blood: #d24351;
$flesh-and-blood-rgb: 210, 67, 81;
$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);
}