[header] How to use accent lighting in a stairwell [title] Install wall sconces along the stairwell. [step] A classic and simple way to use accent lighting in a staircase is to install a few wall sconces. Sconces can be placed at regular intervals along the wall, with their heights graduated to follow the slope of the stairs. 
This type of lighting scheme will cast a gentle wash of light upwards onto your wall, which often helps to make a cramped staircase feel more open. [title] Wire some spotlights to highlight nearby artwork.