Good point. I agree that Blue Marans is also a possibility, and I can't rule out Blue Andalusian either.Is it possibly a Blue Marans? They don't have to have feathered feet. I have one with, one without, and they are different shades of blue.
It will probably become more clear as she grows up. Things like earlobe color, body shape, mature size, and egg color are not obvious now but can help narrow down the breed options as she gets older.