#3169C8

CSS

:root {
  --god-of-rain: #3169c8;
  --god-of-rain-rgb: 49 105 200;
  --god-of-rain-oklch: oklch(0.535 0.159 260.3);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(218 61% 49%);
  border-color: oklch(0.535 0.159 260.3);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #3169c8;
  --color-god-of-rain-50: #ddf6ff;
  --color-god-of-rain-100: #cbe9ff;
  --color-god-of-rain-200: #afd5ff;
  --color-god-of-rain-300: #8bb7ff;
  --color-god-of-rain-400: #659dfc;
  --color-god-of-rain-500: #4282ee;
  --color-god-of-rain-600: #396ec9;
  --color-god-of-rain-700: #2d58a1;
  --color-god-of-rain-800: #1c4178;
  --color-god-of-rain-900: #122d55;
  --color-god-of-rain-950: #051939;
}

SCSS

$god-of-rain: #3169c8;
$god-of-rain-rgb: 49, 105, 200;
$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);
}