Storyboard上でViewにプロジェクトで定義した色を指定する方法 - Qiita

extension UIColor { convenience public init(hex: Int, alpha: CGFloat = 1.0) { let red = CGFloat((hex & 0xFF0000) >> 16) / 255.0 let green = CGFloat((hex & 0xFF00) >> 8) / 255.0 let blue = CGFloat((hex & 0xFF)) / 255.0 self.init(red:red, green:green, blue:blue, alpha:alpha) } } public struct MyColor { public static let Gray = UIColor(hex: 0x808080) public static let RoyalBlue = UIColor(hex: 0x41693