You will be able to login to the https://www.tumblr.com/ website by clicking on the ‘Log in to your dashboard’ link on the main page. You can sign in to the website by typing your email address in the ‘Email’ field and your Tumblr password in the ‘Password’ field. Then, click on the ‘Log in’ button to get access to your Tumblr account. If you do not remember your password or if it is not working, then you can reset it. You will find the question mark icon ‘?’ next to the ‘Password’ field. Click on it to reset your password.