Is possible to resize a title of the page and change TextColor?

I have no TextColor and FontSize properties in the page's title. Is possible to chages these properties? I have this

<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="Operacional.Views.Indicadores"
             xmlns:local="clr-namespace:Operacional.ViewModels"
             xmlns:badge="clr-namespace:Operacional"
             Title="pjavax@gmail.com"             
             Icon="person.png"
             >