#4666C7

CSS

:root {
  --god-of-rain: #4666c7;
  --god-of-rain-rgb: 70 102 199;
  --god-of-rain-oklch: oklch(0.538 0.155 267.3);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(225 54% 53%);
  border-color: oklch(0.538 0.155 267.3);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4666c7;
  --color-god-of-rain-50: #e3f4ff;
  --color-god-of-rain-100: #d3e7ff;
  --color-god-of-rain-200: #b9d2ff;
  --color-god-of-rain-300: #97b3ff;
  --color-god-of-rain-400: #7699fa;
  --color-god-of-rain-500: #597eec;
  --color-god-of-rain-600: #4b6bc7;
  --color-god-of-rain-700: #3c55a0;
  --color-god-of-rain-800: #283f78;
  --color-god-of-rain-900: #1b2b54;
  --color-god-of-rain-950: #0b1839;
}

SCSS

$god-of-rain: #4666c7;
$god-of-rain-rgb: 70, 102, 199;
$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);
}