Cameron, here are a few darker normals I found in an image search, might help?
If you really truly believe yours is not a normal, the only way to know would be by breeding it out.
https://theleopardgecko.org/wild-normal-leopard-gecko/
http://www.thegeckospot.net/faq.php (2nd photo)
https://www.reddit.com/r/leopardgeck..._ago_and_i_do/