On the W23 16-slot Class II 15x6 road wheels which came on my '70 Monaco, the centers were chromed with argent paint on the smooth section surrounding where the center cam goes. With the outer section of the rim being painted normal "wheel black", which is covered by the trim ring.
The mentioned 15x7 wheels were, as for as I could tell back then, on the '77 Chrysler LeBaron ("M") platform cars. Not sure if they were painted similarly.
There were also some 15x5.5 full aluminum wheels which went on the '79 Chrysler (B) 300s and others which used wheel covers rather than the add-on appliques which the 300s used. But the width of the trim ring indicates that that is not what you have.
The chrome on my W23s is a satin chrome, not a hard shiny chrome as a bumper or "show chrome" is.
Depending upon how "bent" you wheel might be, there is a possibility that a good wheel shop MIGHT be able to straighten it. I suspect that area would be hidden by the trim ring anyway? Considering the observed rarity (at least in my part of the world) of the 15x7 16-slot wheels, that might be the better option?
Enjoy the car!
CBODY67