How is the active tab indicated in Relativity's tab navigation?

In Relativity's tab navigation, the active tab is indicated by a bright blue background. This visual cue helps users easily identify which tab they are currently viewing, ensuring an intuitive and user-friendly experience when navigating through different sections of the application. The use of a bright blue background creates a clear contrast with inactive tabs, allowing users to quickly locate their current context within the interface. This design choice enhances usability by providing immediate feedback on the user's location within the system.