ios导航栏字体颜色及背景色设置rgb

 //设置导航栏字体大小颜色    [self.navigationController.navigationBar setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor colorWithRed:44.0f/255.0f green:141.0f/255.0f blue:228.0f/255.0f alpha:1.0], NSForegroundColorAttributeName, [UIFont systemFontOfSize:18*kViewWidth/320], NSFontAttributeName, nil]];        //设置导航栏背景色    self.navigationController.navigationBar.barTintColor = [UIColor colorWithRed:230.0f/255.0f green:230.0f/255.0f blue:230.0f/255.0f alpha:1.0];