#3167D1

CSS

:root {
  --god-of-rain: #3167d1;
  --god-of-rain-rgb: 49 103 209;
  --god-of-rain-oklch: oklch(0.537 0.174 262);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(220 63% 51%);
  border-color: oklch(0.537 0.174 262);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #3167d1;
  --color-god-of-rain-50: #dcf6ff;
  --color-god-of-rain-100: #cbe8ff;
  --color-god-of-rain-200: #afd4ff;
  --color-god-of-rain-300: #8ab5ff;
  --color-god-of-rain-400: #649bff;
  --color-god-of-rain-500: #417ff7;
  --color-god-of-rain-600: #386cd0;
  --color-god-of-rain-700: #2d56a8;
  --color-god-of-rain-800: #1b407d;
  --color-god-of-rain-900: #112c59;
  --color-god-of-rain-950: #04183c;
}

SCSS

$god-of-rain: #3167d1;
$god-of-rain-rgb: 49, 103, 209;
$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);
}