#4267C7

CSS

:root {
  --god-of-rain: #4267c7;
  --god-of-rain-rgb: 66 103 199;
  --god-of-rain-oklch: oklch(0.538 0.155 265.6);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(223 54% 52%);
  border-color: oklch(0.538 0.155 265.6);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4267c7;
  --color-god-of-rain-50: #e2f5ff;
  --color-god-of-rain-100: #d1e7ff;
  --color-god-of-rain-200: #b7d3ff;
  --color-god-of-rain-300: #95b4ff;
  --color-god-of-rain-400: #729afa;
  --color-god-of-rain-500: #547fec;
  --color-god-of-rain-600: #486cc7;
  --color-god-of-rain-700: #3956a0;
  --color-god-of-rain-800: #253f77;
  --color-god-of-rain-900: #192c54;
  --color-god-of-rain-950: #0a1839;
}

SCSS

$god-of-rain: #4267c7;
$god-of-rain-rgb: 66, 103, 199;
$god-of-rain-light: mix(#fff, $god-of-rain, 20%);
$god-of-rain-dark: mix(#000, $god-of-rain, 20%);

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