#426AB8

CSS

:root {
  --god-of-rain: #426ab8;
  --god-of-rain-rgb: 66 106 184;
  --god-of-rain-oklch: oklch(0.534 0.131 262.4);
}

.element {
  color: var(--god-of-rain);
  background-color: hsl(220 47% 49%);
  border-color: oklch(0.534 0.131 262.4);
}

Tailwind CSS v4

@theme {
  --color-god-of-rain: #426ab8;
  --color-god-of-rain-50: #e3f6ff;
  --color-god-of-rain-100: #d2e8ff;
  --color-god-of-rain-200: #b8d4ff;
  --color-god-of-rain-300: #96b7fb;
  --color-god-of-rain-400: #749dec;
  --color-god-of-rain-500: #5583dc;
  --color-god-of-rain-600: #496fba;
  --color-god-of-rain-700: #3a5995;
  --color-god-of-rain-800: #27426f;
  --color-god-of-rain-900: #1a2d4e;
  --color-god-of-rain-950: #0a1a34;
}

SCSS

$god-of-rain: #426ab8;
$god-of-rain-rgb: 66, 106, 184;
$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);
}