When it comes to adding color and personality to a space, it's easy to forget about the interior window trim in favor of large-scale opportunities, like the walls, ceiling, floor, and furnishings. But take a closer look, and you'll see just how impactful this small design detail can be. There's nothing wrong with classic, crisp white or warm wood tones––in fact, you'll see some in this list! But a bold blue or the perfect pop of purple can be just the thing to dial in a room's design. From painted hues to stylishly steel-framed, these interior window trim ideas are sure to inspire.