public static Color HexToColor(string hexColor)
        {
            //Remove # if present
            if (hexColor.IndexOf('#') != -1)
                hexColor = hexColor.Replace("#", "");

            int red = 0;
            int green = 0;
            int blue = 0;

            if (hexColor.Length == 6)
            {
                //#RRGGBB
                red = int.Parse(hexColor.Substring(0, 2), NumberStyles.AllowHexSpecifier);
                green = int.Parse(hexColor.Substring(2, 2), NumberStyles.AllowHexSpecifier);
                blue = int.Parse(hexColor.Substring(4, 2), NumberStyles.AllowHexSpecifier);
            }
            else if (hexColor.Length == 3)
            {
                //#RGB
                red = int.Parse(hexColor[0].ToString() + hexColor[0].ToString(), NumberStyles.AllowHexSpecifier);
                green = int.Parse(hexColor[1].ToString() + hexColor[1].ToString(), NumberStyles.AllowHexSpecifier);
                blue = int.Parse(hexColor[2].ToString() + hexColor[2].ToString(), NumberStyles.AllowHexSpecifier);
            }

            return Color.FromArgb(red, green, blue);
        }

http://www.vcskicks.com/hex-to-rgb.php

Hex Color to RGB Color

C#