I do not want to keep stirring the pot here but everyone is getting caught up in the minutia. I am an Interior Designer specializing in hospitality, so I work with paint all day. Yes the color is a blue based BLACK named Monica Blue etc that is used to reflect light because pure black can read very green or unreflective.
Bottom line though, it's black. The colors on a
DCL line are clearly representative of the big cheese down to the perfect yellow life boats they needed permission for. Mickey does not wear blue slacks folks, they are black.
So the Imagineers gets get carried away with telling these stories of how we designers find our colors and this happens in our business all the time. All colors have bases. Grey brown, pink white, yellow etc. At the end of the day that ship is supposed to read black white yellow and red.