#285EF6

CSS

:root {
  --secret-of-mana: #285ef6;
  --secret-of-mana-rgb: 40 94 246;
  --secret-of-mana-oklch: oklch(0.547 0.234 264.6);
}

.element {
  color: var(--secret-of-mana);
  background-color: hsl(224 92% 56%);
  border-color: oklch(0.547 0.234 264.6);
}

Tailwind CSS v4

@theme {
  --color-secret-of-mana: #285ef6;
  --color-secret-of-mana-50: #d6f4ff;
  --color-secret-of-mana-100: #c4e6ff;
  --color-secret-of-mana-200: #a6d0ff;
  --color-secret-of-mana-300: #80b0ff;
  --color-secret-of-mana-400: #5793ff;
  --color-secret-of-mana-500: #3472ff;
  --color-secret-of-mana-600: #2d61f1;
  --color-secret-of-mana-700: #234ec2;
  --color-secret-of-mana-800: #103a91;
  --color-secret-of-mana-900: #0a2867;
  --color-secret-of-mana-950: #011448;
}

SCSS

$secret-of-mana: #285ef6;
$secret-of-mana-rgb: 40, 94, 246;
$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);
}