#D73A1D

CSS

:root {
  --kiss-of-the-scorpion: #d73a1d;
  --kiss-of-the-scorpion-rgb: 215 58 29;
  --kiss-of-the-scorpion-oklch: oklch(0.583 0.198 32.5);
}

.element {
  color: var(--kiss-of-the-scorpion);
  background-color: hsl(9 76% 48%);
  border-color: oklch(0.583 0.198 32.5);
}

Tailwind CSS v4

@theme {
  --color-kiss-of-the-scorpion: #d73a1d;
  --color-kiss-of-the-scorpion-50: #ffe2d0;
  --color-kiss-of-the-scorpion-100: #ffd1bc;
  --color-kiss-of-the-scorpion-200: #ffb59b;
  --color-kiss-of-the-scorpion-300: #ff8e70;
  --color-kiss-of-the-scorpion-400: #fd684c;
  --color-kiss-of-the-scorpion-500: #ec3b19;
  --color-kiss-of-the-scorpion-600: #c73419;
  --color-kiss-of-the-scorpion-700: #a12a14;
  --color-kiss-of-the-scorpion-800: #781c11;
  --color-kiss-of-the-scorpion-900: #55120a;
  --color-kiss-of-the-scorpion-950: #390301;
}

SCSS

$kiss-of-the-scorpion: #d73a1d;
$kiss-of-the-scorpion-rgb: 215, 58, 29;
$kiss-of-the-scorpion-light: mix(#fff, $kiss-of-the-scorpion, 20%);
$kiss-of-the-scorpion-dark: mix(#000, $kiss-of-the-scorpion, 20%);

.element {
  color: $kiss-of-the-scorpion;
  box-shadow: 0 0 0 2px rgba($kiss-of-the-scorpion, 0.35);
}