#3D69C3

CSS

:root {
  --god-of-rain: #3d69c3;
  --god-of-rain-rgb: 61 105 195;
  --god-of-rain-oklch: oklch(0.537 0.149 262.8);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(220 53% 50%);
  border-color: oklch(0.537 0.149 262.8);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #3d69c3;
  --color-god-of-rain-50: #e0f5ff;
  --color-god-of-rain-100: #d0e8ff;
  --color-god-of-rain-200: #b5d4ff;
  --color-god-of-rain-300: #92b6ff;
  --color-god-of-rain-400: #6e9cf6;
  --color-god-of-rain-500: #4f81e8;
  --color-god-of-rain-600: #436ec3;
  --color-god-of-rain-700: #35589d;
  --color-god-of-rain-800: #234175;
  --color-god-of-rain-900: #172d53;
  --color-god-of-rain-950: #081937;
}

SCSS

$god-of-rain: #3d69c3;
$god-of-rain-rgb: 61, 105, 195;
$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);
}