// 设置导航栏的背景颜色
self.navigationController.navigationBar.barTintColor = UIColor.redColor()
// 设置导航栏标题的字体颜色(1)
self.navigationController.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.white, NSFontAttributeName: UIFont("字体名", ofSize: 15)]
// 设置导航栏标题的字体颜色(2)
设置navigationItem的titleView 通过view中的label属性去改变字体和颜色 self.navigationItem.titleView
// 设置导航栏的按钮图标等的颜色(ToolBar)
self.navigationController.navigationBar.tintColor = UIColor.orangeColor()
http://www.cnblogs.com/yujinzhong/p/5664546.html
