#3C63DB

CSS

:root {
  --god-of-rain: #3c63db;
  --god-of-rain-rgb: 60 99 219;
  --god-of-rain-oklch: oklch(0.541 0.189 266.4);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(225 69% 55%);
  border-color: oklch(0.541 0.189 266.4);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #3c63db;
  --color-god-of-rain-50: #def4ff;
  --color-god-of-rain-100: #cde6ff;
  --color-god-of-rain-200: #b2d1ff;
  --color-god-of-rain-300: #8fb2ff;
  --color-god-of-rain-400: #6b97ff;
  --color-god-of-rain-500: #4c79ff;
  --color-god-of-rain-600: #4167d9;
  --color-god-of-rain-700: #3353ae;
  --color-god-of-rain-800: #203d83;
  --color-god-of-rain-900: #152a5c;
  --color-god-of-rain-950: #07173f;
}

SCSS

$god-of-rain: #3c63db;
$god-of-rain-rgb: 60, 99, 219;
$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);
}