The interview is an opportunity to display yourself at your best. You have ONE chance at an interview, use it well.
Least offensive is most desirable.
You are applying for a job, be a little conservative, until you get a feel for the place. Dark colours convey authority, try to wear blue colours but not black, black is, a poor colour choice, unless teamed with a fresher colour, or your applying for a position in a funeral pallor. Chose clothing in excellent repair. Make sure they are freshly washed and pressed. Do not wear' casual shoes to an interview.