#CA474F

CSS

:root {
  --flesh-and-blood: #ca474f;
  --flesh-and-blood-rgb: 202 71 79;
  --flesh-and-blood-oklch: oklch(0.581 0.166 20.5);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(356 55% 54%);
  border-color: oklch(0.581 0.166 20.5);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #ca474f;
  --color-flesh-and-blood-50: #ffe3df;
  --color-flesh-and-blood-100: #ffd3cf;
  --color-flesh-and-blood-200: #ffb8b4;
  --color-flesh-and-blood-300: #ff9390;
  --color-flesh-and-blood-400: #f07174;
  --color-flesh-and-blood-500: #de4b55;
  --color-flesh-and-blood-600: #bc4149;
  --color-flesh-and-blood-700: #97343a;
  --color-flesh-and-blood-800: #71242b;
  --color-flesh-and-blood-900: #50181d;
  --color-flesh-and-blood-950: #34080d;
}

SCSS

$flesh-and-blood: #ca474f;
$flesh-and-blood-rgb: 202, 71, 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);
}