#3868C9

CSS

:root {
  --god-of-rain: #3868c9;
  --god-of-rain-rgb: 56 104 201;
  --god-of-rain-oklch: oklch(0.537 0.16 262.5);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(220 57% 50%);
  border-color: oklch(0.537 0.16 262.5);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #3868c9;
  --color-god-of-rain-50: #dff6ff;
  --color-god-of-rain-100: #cde8ff;
  --color-god-of-rain-200: #b2d4ff;
  --color-god-of-rain-300: #8eb6ff;
  --color-god-of-rain-400: #6a9cfc;
  --color-god-of-rain-500: #4980ee;
  --color-god-of-rain-600: #3f6dc9;
  --color-god-of-rain-700: #3257a2;
  --color-god-of-rain-800: #1f4079;
  --color-god-of-rain-900: #152c55;
  --color-god-of-rain-950: #061939;
}

SCSS

$god-of-rain: #3868c9;
$god-of-rain-rgb: 56, 104, 201;
$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);
}