#4168C5

CSS

:root {
  --god-of-rain: #4168c5;
  --god-of-rain-rgb: 65 104 197;
  --god-of-rain-oklch: oklch(0.538 0.152 264.7);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(222 53% 51%);
  border-color: oklch(0.538 0.152 264.7);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4168c5;
  --color-god-of-rain-50: #e1f5ff;
  --color-god-of-rain-100: #d1e7ff;
  --color-god-of-rain-200: #b7d3ff;
  --color-god-of-rain-300: #94b5ff;
  --color-god-of-rain-400: #719bf8;
  --color-god-of-rain-500: #5380e9;
  --color-god-of-rain-600: #476cc5;
  --color-god-of-rain-700: #38579e;
  --color-god-of-rain-800: #254076;
  --color-god-of-rain-900: #182c53;
  --color-god-of-rain-950: #091938;
}

SCSS

$god-of-rain: #4168c5;
$god-of-rain-rgb: 65, 104, 197;
$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);
}