#4864CF

CSS

:root {
  --god-of-rain: #4864cf;
  --god-of-rain-rgb: 72 100 207;
  --god-of-rain-oklch: oklch(0.54 0.168 269.1);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(228 58% 55%);
  border-color: oklch(0.54 0.168 269.1);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4864cf;
  --color-god-of-rain-50: #e3f3ff;
  --color-god-of-rain-100: #d3e6ff;
  --color-god-of-rain-200: #bad1ff;
  --color-god-of-rain-300: #98b2ff;
  --color-god-of-rain-400: #7697ff;
  --color-god-of-rain-500: #5a7bf4;
  --color-god-of-rain-600: #4c68ce;
  --color-god-of-rain-700: #3d53a5;
  --color-god-of-rain-800: #283d7c;
  --color-god-of-rain-900: #1b2a58;
  --color-god-of-rain-950: #0c173b;
}

SCSS

$god-of-rain: #4864cf;
$god-of-rain-rgb: 72, 100, 207;
$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);
}