What breed are these pullets?

[Unruffled]

These 4 pullets hatched within a week or so of 6/6/21(that’s when I got them from my local Tractor Supply) . They were labeled as Easter Egger pullets. But as they grew I had my doubts. I have attached photos. Let me know what you think. They all four have dark, bare legs and brown eyes. None are crested. The 3 black ones have very little white around the lower beak area. None have puffy cheeks.

 

[TheOddOneOut]

Black and Blue Australorps

 

[Unruffled]

Black and Blue Australorps

Thank you! I honestly had no idea where to even begin. Thanks again. I really appreciate it!