migration from wordpress.com to www.remarpro.com

I want to migrate from WordPress.com to www.remarpro.com. I am using HostGator as my host but every time I try to log in, I am taken back to WordPress.com instead of WordPress.ord. This happens despite HostGator’s QuickInstall being complete and having the new username and password. What could be the problem or what should I do to successfully log in?