:root {
  /* Override Material's default Purple with your exact Dion Violet */
  --md-primary-fg-color: #4a00e0;

  /* Override Accent with your exact Electric Cyan */
  --md-accent-fg-color: #00f2ff;

  /* Make the background slightly darker (Void Black) */
  --md-default-bg-color: #050508;
}