#4E65C7

CSS

:root {
  --god-of-rain: #4e65c7;
  --god-of-rain-rgb: 78 101 199;
  --god-of-rain-oklch: oklch(0.54 0.154 270.6);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(229 52% 54%);
  border-color: oklch(0.54 0.154 270.6);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4e65c7;
  --color-god-of-rain-50: #e6f3ff;
  --color-god-of-rain-100: #d6e5ff;
  --color-god-of-rain-200: #bed1ff;
  --color-god-of-rain-300: #9db2ff;
  --color-god-of-rain-400: #7c97f9;
  --color-god-of-rain-500: #617ceb;
  --color-god-of-rain-600: #5269c6;
  --color-god-of-rain-700: #41549f;
  --color-god-of-rain-800: #2c3e77;
  --color-god-of-rain-900: #1e2b54;
  --color-god-of-rain-950: #0e1839;
}

SCSS

$god-of-rain: #4e65c7;
$god-of-rain-rgb: 78, 101, 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);
}