#4267C6

CSS

:root {
  --god-of-rain: #4267c6;
  --god-of-rain-rgb: 66 103 198;
  --god-of-rain-oklch: oklch(0.537 0.154 265.5);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(223 54% 52%);
  border-color: oklch(0.537 0.154 265.5);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4267c6;
  --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: #729af9;
  --color-god-of-rain-500: #547feb;
  --color-god-of-rain-600: #486cc6;
  --color-god-of-rain-700: #39569f;
  --color-god-of-rain-800: #264077;
  --color-god-of-rain-900: #192c54;
  --color-god-of-rain-950: #0a1938;
}

SCSS

$god-of-rain: #4267c6;
$god-of-rain-rgb: 66, 103, 198;
$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);
}