UIGraphicsImageRenderer.swift

class ViewController: UIViewController {

    @IBOutlet weak var imageView: UIImageView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        
        let renderer = UIGraphicsImageRenderer(size: CGSize(width: 200, height: 200))
        let image = renderer.image { (context) in
            UIColor.darkGray.setStroke()
            context.stroke(renderer.format.bounds)
            
            UIColor(displayP3Red: 158/255, green: 215/255, blue: 245/255, alpha: 1).setFill()
            context.fill(CGRect(x: 1, y: 1, width: 140, height: 140))
            
            UIColor(displayP3Red: 145/255, green: 211/255, blue: 205/255, alpha: 1).setFill()
            context.fill(CGRect(x: 60, y: 60, width: 140, height: 140), blendMode: .multiply)
            
            UIColor(displayP3Red: 203/255, green: 222/255, blue: 116/255, alpha: 0.6).setFill()
            context.cgContext.fillEllipse(in: CGRect(x: 60, y: 60, width: 140, height: 140))
        }
        self.imageView.image = image
    }
}