A basic SolidColorBrush in action
<UserControl x:Class='SilverlightApplication3.MainPage' xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' xmlns:d='http://schemas.microsoft.com/expression/blend/2008' xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' mc:Ignorable='d' d:DesignWidth='640' d:DesignHeight='480'> <Grid x:Name="LayoutRoot" Background="White"> <Ellipse Stroke="Black" StrokeThickness="3" Width="64" Height="64" Canvas.Left="8" Canvas.Top="8"> <Ellipse.Fill> <SolidColorBrush Color="Navy" /> </Ellipse.Fill> </Ellipse> </Grid> </UserControl>