The confusion arises for 1 reason: Uniting all Google services nether 1 Google account, as well as then the login page for all your Google services similar Gmail, Blogger, Webmaster Tools etc. looks the same.
Previously all the Google services had dissimilar login page if you lot remember, merely a twelvemonth or 2 agone but straightaway which tin rank the sack live on a called a skillful deed yesteryear Google leads to a lot of confusion, at to the lowest degree for many Blogger users.
How to Login?
Your Google describe organisation human relationship doesn’t accept to live on necessarily a @gmail.com address, Blogger is a Google production as well as falls nether 1 Google account, but you lot tin rank the sack nonetheless role the electronic mail address you lot used to sign-up for Blogger with.
Just become to Blogger.com (in logged-out state) as well as log into it with your @yahoo, @hotmail or whatever other electronic mail address you lot sign-up with.