This file features Karbin's YouTube logo, which features the letters "KB" encircled in a blue gradient upon a dark blue background. The letters are an abbreviation of his channel name.
<a href="//commons.wikimedia.org/w/index.php?title=User:SneakySeagull&amp;action=edit&amp;redlink=1" class="new" title="User:SneakySeagull (page does not exist)">SneakySeagull</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>