Created a custom bar button with underlined text You can also add different attributes to make your text customised let font = UIFont . systemFont (ofSize: CGFloat ( 15.0 )) let attributesForTitleText = [ NSAttributedString . Key . foregroundColor : UIColor . orange , NSAttributedString . Key . font : font, NSAttributedString . Key . underlineStyle : NSUnderlineStyle . single . rawValue ] as [ NSAttributedString . Key : Any ] let pageTitleButton = UIBarButtonItem (title: pageTitleText, style: UIBarButtonItem . Style . plain , target: self , action: nil ) pageTitleButton. setTitleTextAttributes (attributesForTitleText, for: UIControl . State . normal ) pageTitleButton. setTitleTextAttributes (attributesForTitleText, for: UICon...