Morroco Marrakech - What to wear?

I am Going to Morocco next week and have read that when you venture out of your hotel to cover up your arms legs and chest ( I am female ), I have lots of maxi dresses to wear with a pashmina / scarf over my shoulders. Do you think this will be ok? i do not want to disrespect there culture or bring any unwanted attention to myself. I am also Blonde, should i wear this tied back for less attention?