#4F65C4

CSS

:root {
  --god-of-rain: #4f65c4;
  --god-of-rain-rgb: 79 101 196;
  --god-of-rain-oklch: oklch(0.539 0.15 270.8);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(229 50% 54%);
  border-color: oklch(0.539 0.15 270.8);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4f65c4;
  --color-god-of-rain-50: #e6f3ff;
  --color-god-of-rain-100: #d7e5ff;
  --color-god-of-rain-200: #bfd1ff;
  --color-god-of-rain-300: #9eb2ff;
  --color-god-of-rain-400: #7e98f6;
  --color-god-of-rain-500: #627ce8;
  --color-god-of-rain-600: #5369c4;
  --color-god-of-rain-700: #42549d;
  --color-god-of-rain-800: #2d3e76;
  --color-god-of-rain-900: #1e2b53;
  --color-god-of-rain-950: #0f1838;
}

SCSS

$god-of-rain: #4f65c4;
$god-of-rain-rgb: 79, 101, 196;
$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);
}