What color is the letter 't' in Tumblr's logo?

The letter “t” in Tumblr’s logo is white.

Tumblr’s familiar wordmark uses white lowercase lettering, usually displayed against a dark blue background. The contrast makes the compact logo easy to recognize across the dashboard, mobile applications, promotional materials, and blog interfaces. Although the surrounding color treatment has changed across redesigns, the letter itself in the standard wordmark is white.

A common mix-up comes from Tumblr’s broader visual identity. Tumblr is strongly associated with a dark blue shade often called Tumblr blue, so people sometimes remember the logo as blue rather than distinguishing the lettering from its background. The blue belongs to the field or brand palette; the “t” is part of the white wordmark.

Tumblr was founded by David Karp in 2007 as a short-form blogging platform. Its visual identity matched that purpose: a simple, lowercase wordmark paired with a clean interface for sharing text, images, links, quotations, audio, and video. The logo’s minimal design helped it remain recognizable as Tumblr expanded from blogging into social networking.