Ok, check this out.
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1313&_nkw=74231-60060&_sacat=0&LH_TitleDesc=0&_odkw=74320-60173-E1&_osacat=0
Only available in gray, have to paint it.
https://www.toyotapartsdeal.com/oem/toyota~panel~front~armrest~base~upper~lh~74232-60010-03.html
edit: wait, I'm confused...are you looking for the panel that contains the passenger window switch...for a RH drive rig, which would be on the LH side?