WPF Color ColorConverter.ConvertFromString convert hex to readable color

string colorStr = "#FF00008B";
Color brushColor=(Color)ColorConverter.ConvertFromString(colorStr);

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApp101
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            //Darkblue
            string colorStr = "#FF00008B";
            Ellipse elp = new Ellipse();
            elp.Width = Application.Current.MainWindow.ActualWidth-100;
            elp.Height= Application.Current.MainWindow.ActualHeight-100;
            Color brushColor=(Color)ColorConverter.ConvertFromString(colorStr);
            SolidColorBrush brush = new SolidColorBrush(brushColor);
            elp.Fill = brush;
            this.Content=elp;
        }
    }
}