#5070CB

CSS

:root {
  --god-of-rain: #5070cb;
  --god-of-rain-rgb: 80 112 203;
  --god-of-rain-oklch: oklch(0.566 0.145 267.1);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(224 54% 55%);
  border-color: oklch(0.566 0.145 267.1);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #5070cb;
  --color-god-of-rain-50: #e4f4ff;
  --color-god-of-rain-100: #d4e7ff;
  --color-god-of-rain-200: #bbd2ff;
  --color-god-of-rain-300: #99b4ff;
  --color-god-of-rain-400: #789af4;
  --color-god-of-rain-500: #5b7fe5;
  --color-god-of-rain-600: #4d6cc1;
  --color-god-of-rain-700: #3e569c;
  --color-god-of-rain-800: #293f74;
  --color-god-of-rain-900: #1c2c52;
  --color-god-of-rain-950: #0c1937;
}

SCSS

$god-of-rain: #5070cb;
$god-of-rain-rgb: 80, 112, 203;
$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);
}