The logo highlights the Ashoka emblem on the top with the theme of "Biswa Bangla" at the centre. Ms Banerjee has also contributed to the design of the emblem.
"Bengal begins a new journey today with a new identity...This historic achievement is indeed a new feather in Bengal's cap after a long wait of 70 years since independence. You will be happy to know that I have made a small contribution in design of the emblem...(sic)," the chief minister said in a Facebook post.
She added that the emblem would feature on all the official stationery and displays.
Election Results for Lok Sabha Election 2019 will be out on May 23. Get the latest election news and live updates on ndtv.com/elections. Catch all the action on NDTV Live. Like us on Facebook or follow us on Twitter and Instagram for news updates from each of the 543 parliamentary seats for the election 2019