#5469E3

CSS

:root {
  --secret-of-mana: #5469e3;
  --secret-of-mana-rgb: 84 105 227;
  --secret-of-mana-oklch: oklch(0.571 0.186 271.9);
}

.element {
  color: var(--secret-of-mana);
  background-color: hsl(231 72% 61%);
  border-color: oklch(0.571 0.186 271.9);
}

Tailwind CSS v4

@theme {
  --color-secret-of-mana: #5469e3;
  --color-secret-of-mana-50: #e4f2ff;
  --color-secret-of-mana-100: #d4e4ff;
  --color-secret-of-mana-200: #bbcfff;
  --color-secret-of-mana-300: #9aafff;
  --color-secret-of-mana-400: #7993ff;
  --color-secret-of-mana-500: #5e75ff;
  --color-secret-of-mana-600: #5064d7;
  --color-secret-of-mana-700: #3f50ad;
  --color-secret-of-mana-800: #2a3b82;
  --color-secret-of-mana-900: #1c285c;
  --color-secret-of-mana-950: #0d163e;
}

SCSS

$secret-of-mana: #5469e3;
$secret-of-mana-rgb: 84, 105, 227;
$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);
}