#E03318

CSS

:root {
  --kiss-of-the-scorpion: #e03318;
  --kiss-of-the-scorpion-rgb: 224 51 24;
  --kiss-of-the-scorpion-oklch: oklch(0.592 0.212 31.6);
}

.element {
  color: var(--kiss-of-the-scorpion);
  background-color: hsl(8 81% 49%);
  border-color: oklch(0.592 0.212 31.6);
}

Tailwind CSS v4

@theme {
  --color-kiss-of-the-scorpion: #e03318;
  --color-kiss-of-the-scorpion-50: #ffe0ce;
  --color-kiss-of-the-scorpion-100: #ffceba;
  --color-kiss-of-the-scorpion-200: #ffb298;
  --color-kiss-of-the-scorpion-300: #ff8a6c;
  --color-kiss-of-the-scorpion-400: #ff6147;
  --color-kiss-of-the-scorpion-500: #f22d09;
  --color-kiss-of-the-scorpion-600: #cd2a0f;
  --color-kiss-of-the-scorpion-700: #a5220d;
  --color-kiss-of-the-scorpion-800: #7b150d;
  --color-kiss-of-the-scorpion-900: #570e08;
  --color-kiss-of-the-scorpion-950: #3a0000;
}

SCSS

$kiss-of-the-scorpion: #e03318;
$kiss-of-the-scorpion-rgb: 224, 51, 24;
$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);
}