#2C69CE

CSS

:root {
  --god-of-rain: #2c69ce;
  --god-of-rain-rgb: 44 105 206;
  --god-of-rain-oklch: oklch(0.538 0.169 260);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(217 65% 49%);
  border-color: oklch(0.538 0.169 260);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #2c69ce;
  --color-god-of-rain-50: #dbf6ff;
  --color-god-of-rain-100: #c9e9ff;
  --color-god-of-rain-200: #add5ff;
  --color-god-of-rain-300: #87b7ff;
  --color-god-of-rain-400: #609dff;
  --color-god-of-rain-500: #3c81f4;
  --color-god-of-rain-600: #346ecd;
  --color-god-of-rain-700: #2958a5;
  --color-god-of-rain-800: #18417b;
  --color-god-of-rain-900: #0f2d57;
  --color-god-of-rain-950: #03193b;
}

SCSS

$god-of-rain: #2c69ce;
$god-of-rain-rgb: 44, 105, 206;
$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);
}