#4F66F2

CSS

:root {
  --secret-of-mana: #4f66f2;
  --secret-of-mana-rgb: 79 102 242;
  --secret-of-mana-oklch: oklch(0.574 0.21 271.1);
}

.element {
  color: var(--secret-of-mana);
  background-color: hsl(232 86% 63%);
  border-color: oklch(0.574 0.21 271.1);
}

Tailwind CSS v4

@theme {
  --color-secret-of-mana: #4f66f2;
  --color-secret-of-mana-50: #e1f2ff;
  --color-secret-of-mana-100: #d0e4ff;
  --color-secret-of-mana-200: #b7ceff;
  --color-secret-of-mana-300: #95adff;
  --color-secret-of-mana-400: #7391ff;
  --color-secret-of-mana-500: #5871ff;
  --color-secret-of-mana-600: #4a60e4;
  --color-secret-of-mana-700: #3b4db7;
  --color-secret-of-mana-800: #26398a;
  --color-secret-of-mana-900: #192762;
  --color-secret-of-mana-950: #0b1443;
}

SCSS

$secret-of-mana: #4f66f2;
$secret-of-mana-rgb: 79, 102, 242;
$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);
}