Just looks like Blue to me, too. These are not Silkies by breed, but my silkied Blue Cochin bantams looked similar to this as chicks. Blue just seems to look darker on silkied feathering a lot of the time.
These were my silkied Blues around 3 weeks old and the same birds now. (Hank was not yet named at 3 weeks, but he was the fifth to hatch, hence Baby 5 on his baby picture )