#D23D4F

CSS

:root {
  --flesh-and-blood: #d23d4f;
  --flesh-and-blood-rgb: 210 61 79;
  --flesh-and-blood-oklch: oklch(0.583 0.185 18.4);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(353 62% 53%);
  border-color: oklch(0.583 0.185 18.4);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #d23d4f;
  --color-flesh-and-blood-50: #ffe1df;
  --color-flesh-and-blood-100: #ffd0ce;
  --color-flesh-and-blood-200: #ffb4b3;
  --color-flesh-and-blood-300: #ff8e8f;
  --color-flesh-and-blood-400: #f86973;
  --color-flesh-and-blood-500: #e63e54;
  --color-flesh-and-blood-600: #c33748;
  --color-flesh-and-blood-700: #9d2c39;
  --color-flesh-and-blood-800: #751e2b;
  --color-flesh-and-blood-900: #53141d;
  --color-flesh-and-blood-950: #37040d;
}

SCSS

$flesh-and-blood: #d23d4f;
$flesh-and-blood-rgb: 210, 61, 79;
$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);
}