#2F69CC

CSS

:root {
  --god-of-rain: #2f69cc;
  --god-of-rain-rgb: 47 105 204;
  --god-of-rain-oklch: oklch(0.537 0.165 260.4);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(218 63% 49%);
  border-color: oklch(0.537 0.165 260.4);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #2f69cc;
  --color-god-of-rain-50: #dcf6ff;
  --color-god-of-rain-100: #cae9ff;
  --color-god-of-rain-200: #aed5ff;
  --color-god-of-rain-300: #89b6ff;
  --color-god-of-rain-400: #639dff;
  --color-god-of-rain-500: #3f81f2;
  --color-god-of-rain-600: #376ecc;
  --color-god-of-rain-700: #2b58a4;
  --color-god-of-rain-800: #1a417a;
  --color-god-of-rain-900: #112d56;
  --color-god-of-rain-950: #04193a;
}

SCSS

$god-of-rain: #2f69cc;
$god-of-rain-rgb: 47, 105, 204;
$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);
}