#EA0510

CSS

:root {
  --breath-of-fire: #ea0510;
  --breath-of-fire-rgb: 234 5 16;
  --breath-of-fire-oklch: oklch(0.59 0.24 28.3);
}

.element {
  color: var(--breath-of-fire);
  background-color: hsl(357 96% 47%);
  border-color: oklch(0.59 0.24 28.3);
}

Tailwind CSS v4

@theme {
  --color-breath-of-fire: #ea0510;
  --color-breath-of-fire-50: #ffdccc;
  --color-breath-of-fire-100: #ffcab8;
  --color-breath-of-fire-200: #ffab95;
  --color-breath-of-fire-300: #ff8069;
  --color-breath-of-fire-400: #ff5044;
  --color-breath-of-fire-500: #fe0000;
  --color-breath-of-fire-600: #d70007;
  --color-breath-of-fire-700: #ad0108;
  --color-breath-of-fire-800: #82000b;
  --color-breath-of-fire-900: #5c0207;
  --color-breath-of-fire-950: #3e0000;
}

SCSS

$breath-of-fire: #ea0510;
$breath-of-fire-rgb: 234, 5, 16;
$breath-of-fire-light: mix(#fff, $breath-of-fire, 20%);
$breath-of-fire-dark: mix(#000, $breath-of-fire, 20%);

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