Change Background color in Iphone(IOs)

-(IBAction)First:(id)sender

{

    self.view.backgroundColor = [UIColor redColor];

}

Another way

    UIColor *myColor = [UIColor colorWithRed:(59.0 / 255.0) green:(89.0 / 255.0) blue:(152.0 / 255.0) alpha: 1];

    self.view.backgroundColor = myColor;