#5570C8

CSS

:root {
  --god-of-rain: #5570c8;
  --god-of-rain-rgb: 85 112 200;
  --god-of-rain-oklch: oklch(0.567 0.139 268.8);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(226 51% 56%);
  border-color: oklch(0.567 0.139 268.8);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #5570c8;
  --color-god-of-rain-50: #e6f4ff;
  --color-god-of-rain-100: #d6e6ff;
  --color-god-of-rain-200: #bed2ff;
  --color-god-of-rain-300: #9db3ff;
  --color-god-of-rain-400: #7c9af1;
  --color-god-of-rain-500: #607fe2;
  --color-god-of-rain-600: #526bbe;
  --color-god-of-rain-700: #415699;
  --color-god-of-rain-800: #2c3f72;
  --color-god-of-rain-900: #1e2c51;
  --color-god-of-rain-950: #0e1836;
}

SCSS

$god-of-rain: #5570c8;
$god-of-rain-rgb: 85, 112, 200;
$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);
}