#4365FE

CSS

:root {
  --secret-of-mana: #4365fe;
  --secret-of-mana-rgb: 67 101 254;
  --secret-of-mana-oklch: oklch(0.576 0.23 268.4);
}

.element {
  color: var(--secret-of-mana);
  background-color: hsl(229 99% 63%);
  border-color: oklch(0.576 0.23 268.4);
}

Tailwind CSS v4

@theme {
  --color-secret-of-mana: #4365fe;
  --color-secret-of-mana-50: #dcf3ff;
  --color-secret-of-mana-100: #cae4ff;
  --color-secret-of-mana-200: #afceff;
  --color-secret-of-mana-300: #8badff;
  --color-secret-of-mana-400: #6790ff;
  --color-secret-of-mana-500: #4a6fff;
  --color-secret-of-mana-600: #3f5fee;
  --color-secret-of-mana-700: #314cc0;
  --color-secret-of-mana-800: #1e3890;
  --color-secret-of-mana-900: #132766;
  --color-secret-of-mana-950: #061347;
}

SCSS

$secret-of-mana: #4365fe;
$secret-of-mana-rgb: 67, 101, 254;
$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);
}