Grab bars don't have to look institutional. Check out the photos below.
Look at brass and chrome bar rails and wooden stair rails. Just make sure all brackets are people sturdy and attached securely to the wall studs. If the studs are not in a suitable location, a backing board may be needed. If a backup board was not installed during construction, a surface mounted board secured to the studs may be used to mount the brackets. A surface mounted board was used in this installation.