#4669BA

CSS

:root {
  --god-of-rain: #4669ba;
  --god-of-rain-rgb: 70 105 186;
  --god-of-rain-oklch: oklch(0.535 0.133 264.7);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(222 46% 50%);
  border-color: oklch(0.535 0.133 264.7);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4669ba;
  --color-god-of-rain-50: #e4f5ff;
  --color-god-of-rain-100: #d4e8ff;
  --color-god-of-rain-200: #bad3ff;
  --color-god-of-rain-300: #98b6fc;
  --color-god-of-rain-400: #779ced;
  --color-god-of-rain-500: #5982de;
  --color-god-of-rain-600: #4c6ebb;
  --color-god-of-rain-700: #3d5896;
  --color-god-of-rain-800: #294170;
  --color-god-of-rain-900: #1b2d4f;
  --color-god-of-rain-950: #0c1935;
}

SCSS

$god-of-rain: #4669ba;
$god-of-rain-rgb: 70, 105, 186;
$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);
}