#5765EE

CSS

:root {
  --secret-of-mana: #5765ee;
  --secret-of-mana-rgb: 87 101 238;
  --secret-of-mana-oklch: oklch(0.574 0.204 273.6);
}

.element {
  color: var(--secret-of-mana);
  background-color: hsl(234 82% 64%);
  border-color: oklch(0.574 0.204 273.6);
}

Tailwind CSS v4

@theme {
  --color-secret-of-mana: #5765ee;
  --color-secret-of-mana-50: #e4f1ff;
  --color-secret-of-mana-100: #d4e3ff;
  --color-secret-of-mana-200: #bccdff;
  --color-secret-of-mana-300: #9bacff;
  --color-secret-of-mana-400: #7b8fff;
  --color-secret-of-mana-500: #6170ff;
  --color-secret-of-mana-600: #525fe0;
  --color-secret-of-mana-700: #414cb4;
  --color-secret-of-mana-800: #2b3888;
  --color-secret-of-mana-900: #1d2760;
  --color-secret-of-mana-950: #0e1442;
}

SCSS

$secret-of-mana: #5765ee;
$secret-of-mana-rgb: 87, 101, 238;
$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);
}