#4568C3

CSS

:root {
  --god-of-rain: #4568c3;
  --god-of-rain-rgb: 69 104 195;
  --god-of-rain-oklch: oklch(0.538 0.147 265.8);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(223 51% 52%);
  border-color: oklch(0.538 0.147 265.8);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4568c3;
  --color-god-of-rain-50: #e3f5ff;
  --color-god-of-rain-100: #d2e7ff;
  --color-god-of-rain-200: #b9d3ff;
  --color-god-of-rain-300: #97b4ff;
  --color-god-of-rain-400: #759bf5;
  --color-god-of-rain-500: #5780e7;
  --color-god-of-rain-600: #4a6cc3;
  --color-god-of-rain-700: #3b579d;
  --color-god-of-rain-800: #274075;
  --color-god-of-rain-900: #1a2c52;
  --color-god-of-rain-950: #0b1937;
}

SCSS

$god-of-rain: #4568c3;
$god-of-rain-rgb: 69, 104, 195;
$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);
}