Yes, if you follow your genre's conventions. Readers judge in a thumbnail, so the title must be readable small and the image should signal the genre at a glance. Look at the current top sellers in your category and match their look, not their exact design.
What makes a cover work
One strong image, a readable title, the author name, and genre-appropriate type. Avoid clutter and tiny text.
Rights
Use images you have the rights to. If you use AI images, KDP asks you to disclose them.
KDP's rules change from time to time. Check KDP's own help pages for the current requirements before you publish.