#C64A57

CSS

:root {
  --flesh-and-blood: #c64a57;
  --flesh-and-blood-rgb: 198 74 87;
  --flesh-and-blood-oklch: oklch(0.58 0.158 17.3);
}

.element {
  color: var(--flesh-and-blood);
  background-color: hsl(354 52% 53%);
  border-color: oklch(0.58 0.158 17.3);
}

Tailwind CSS v4

@theme {
  --color-flesh-and-blood: #c64a57;
  --color-flesh-and-blood-50: #ffe4e3;
  --color-flesh-and-blood-100: #ffd3d3;
  --color-flesh-and-blood-200: #ffb9b9;
  --color-flesh-and-blood-300: #fe9597;
  --color-flesh-and-blood-400: #ed737c;
  --color-flesh-and-blood-500: #da4f5f;
  --color-flesh-and-blood-600: #b94450;
  --color-flesh-and-blood-700: #943640;
  --color-flesh-and-blood-800: #6e2630;
  --color-flesh-and-blood-900: #4e1a20;
  --color-flesh-and-blood-950: #330910;
}

SCSS

$flesh-and-blood: #c64a57;
$flesh-and-blood-rgb: 198, 74, 87;
$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);
}