#4865FB

CSS

:root {
  --secret-of-mana: #4865fb;
  --secret-of-mana-rgb: 72 101 251;
  --secret-of-mana-oklch: oklch(0.576 0.225 269.5);
}

.element {
  color: var(--secret-of-mana);
  background-color: hsl(230 96% 63%);
  border-color: oklch(0.576 0.225 269.5);
}

Tailwind CSS v4

@theme {
  --color-secret-of-mana: #4865fb;
  --color-secret-of-mana-50: #def2ff;
  --color-secret-of-mana-100: #cde4ff;
  --color-secret-of-mana-200: #b2ceff;
  --color-secret-of-mana-300: #8fadff;
  --color-secret-of-mana-400: #6b90ff;
  --color-secret-of-mana-500: #4f6fff;
  --color-secret-of-mana-600: #435fec;
  --color-secret-of-mana-700: #354cbe;
  --color-secret-of-mana-800: #21388f;
  --color-secret-of-mana-900: #162665;
  --color-secret-of-mana-950: #081346;
}

SCSS

$secret-of-mana: #4865fb;
$secret-of-mana-rgb: 72, 101, 251;
$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);
}