#E87C63

CSS

:root {
  --phoenix-red: #e87c63;
  --phoenix-red-rgb: 232 124 99;
  --phoenix-red-oklch: oklch(0.702 0.139 34.1);
}

.element {
  color: var(--phoenix-red);
  background-color: hsl(11 74% 65%);
  border-color: oklch(0.702 0.139 34.1);
}

Tailwind CSS v4

@theme {
  --color-phoenix-red: #e87c63;
  --color-phoenix-red-50: #ffe8da;
  --color-phoenix-red-100: #ffd8c8;
  --color-phoenix-red-200: #ffc0ab;
  --color-phoenix-red-300: #f59d85;
  --color-phoenix-red-400: #e47e66;
  --color-phoenix-red-500: #d25d43;
  --color-phoenix-red-600: #b1503a;
  --color-phoenix-red-700: #8e402e;
  --color-phoenix-red-800: #6a2d22;
  --color-phoenix-red-900: #4b1e16;
  --color-phoenix-red-950: #310e08;
}

SCSS

$phoenix-red: #e87c63;
$phoenix-red-rgb: 232, 124, 99;
$phoenix-red-light: mix(#fff, $phoenix-red, 20%);
$phoenix-red-dark: mix(#000, $phoenix-red, 20%);

.element {
  color: $phoenix-red;
  box-shadow: 0 0 0 2px rgba($phoenix-red, 0.35);
}