#5565F1

CSS

:root {
  --secret-of-mana: #5565f1;
  --secret-of-mana-rgb: 85 101 241;
  --secret-of-mana-oklch: oklch(0.575 0.209 273);
}

.element {
  color: var(--secret-of-mana);
  background-color: hsl(234 85% 64%);
  border-color: oklch(0.575 0.209 273);
}

Tailwind CSS v4

@theme {
  --color-secret-of-mana: #5565f1;
  --color-secret-of-mana-50: #e3f1ff;
  --color-secret-of-mana-100: #d3e3ff;
  --color-secret-of-mana-200: #bacdff;
  --color-secret-of-mana-300: #99acff;
  --color-secret-of-mana-400: #788fff;
  --color-secret-of-mana-500: #5e6fff;
  --color-secret-of-mana-600: #505fe2;
  --color-secret-of-mana-700: #3f4cb6;
  --color-secret-of-mana-800: #2a3889;
  --color-secret-of-mana-900: #1c2661;
  --color-secret-of-mana-950: #0d1443;
}

SCSS

$secret-of-mana: #5565f1;
$secret-of-mana-rgb: 85, 101, 241;
$secret-of-mana-light: mix(#fff, $secret-of-mana, 20%);
$secret-of-mana-dark: mix(#000, $secret-of-mana, 20%);

.element {
  color: $secret-of-mana;
  box-shadow: 0 0 0 2px rgba($secret-of-mana, 0.35);
}