I found a code for black(33) but not midnight black. Is it a metallic black?
The issue you will run into is cross referencing this code with a modern paint code. If you have a peice that has good paint on it a paint supply house may be able to chorma photo it and give you a match from a car color. I have done this many times with factory HD colors that have been discontinued with great results. The photo deal is normally free so no added cost there.