<Window x:Class="WPFBrushes.SolidColorBrushInCode" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="WPFBrushes" Height="300" Width="300" > <Grid> </Grid> </Window> //File:Window.xaml.cs using System.Windows; using System.Windows.Documents; using System.Windows.Controls; using System.Windows.Media; using System.Windows.Shapes; namespace WPFBrushes { public partial class SolidColorBrushInCode : System.Windows.Window { public SolidColorBrushInCode() { InitializeComponent(); this.Width = 600; StackPanel sp = new StackPanel(); sp.Margin = new Thickness(4.0); sp.HorizontalAlignment = HorizontalAlignment.Left; sp.Orientation = Orientation.Vertical; TextBlock tb1 = new TextBlock(new Run(@"Brush from RGB Color [ .Fill = new SolidColorBrush(Color.FromRgb(0, 0, 255)); ]")); Rectangle rect1 = new Rectangle(); rect1.HorizontalAlignment = HorizontalAlignment.Left; rect1.Width = 60; rect1.Height = 20; rect1.Fill = new SolidColorBrush(Color.FromRgb(0, 0, 255)); sp.Children.Add(tb1); sp.Children.Add(rect1); this.Content = sp; } } }