#4067C7

CSS

:root {
  --god-of-rain: #4067c7;
  --god-of-rain-rgb: 64 103 199;
  --god-of-rain-oklch: oklch(0.537 0.156 265);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(223 55% 52%);
  border-color: oklch(0.537 0.156 265);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #4067c7;
  --color-god-of-rain-50: #e1f5ff;
  --color-god-of-rain-100: #d0e7ff;
  --color-god-of-rain-200: #b6d3ff;
  --color-god-of-rain-300: #93b4ff;
  --color-god-of-rain-400: #719bfa;
  --color-god-of-rain-500: #527fec;
  --color-god-of-rain-600: #466cc7;
  --color-god-of-rain-700: #3856a0;
  --color-god-of-rain-800: #244078;
  --color-god-of-rain-900: #182c54;
  --color-god-of-rain-950: #091939;
}

SCSS

$god-of-rain: #4067c7;
$god-of-rain-rgb: 64, 103, 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);
}