Kennedy Blue Asymmetrical Navy Blue Black One Shoulder Bridesmaid Formal Gown

This dress is in great preloved condition. It just needs the hook clasp repaired. Please see picture. I think this dress is a deep navy blue. I can't tell if it's black or navy blue. The second to last picture is a comparison of the sheer fabric next to the solid fabric it lays on top of and the last picture is a picture of the dress next to my black t-shirt to compare for color. Size 4. Hard to see but the Bodice of the dress is ruched.