I like your wall color. If it were me I would have hung the towel bar lower (about a foot) and then you would have had an opportunity for another piece of art over it.

id change the mirror to something with a bolder frame, longer and not round, and consider wallpaper.

Wallpaper! Powder rooms are great places for wallpaper because you don't have to worry about steam from the shower peeling the material.

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Also, I'd change out your sconces. They throw a lot of shadows. Pick ones with frosted glass.

Simplest: I think just adding towels in a color that coordinates with the rug would be an easy fix. A deep teal or a red. I agree with maybe lowering the towel bar so that another piece of artwork could go above, but your powder room looks very nice. Your rug is more traditional-looking, so I might try a more interesting framed mirror, too.

it's a cute room.

how much color do you want?

I wish I had a powder room. I'd go crazy decorating it!

People forget the ceiling and how much it can add to a room.

or the area above the toilet. the simple art is underwhelming. I'll show you some pics of shelving that you can have a bit more fun with.

Bunch of pictures. Bunch of ideas. you pick what you like, don't like. (BTW, you know they have peel and stick wallpaper, yes? you could use it for the ceiling. or maybe just one wall)

What if you jazzed things up and pulled that red color from the rug onto the ceiling?

I don't know what kind of ceiling light you have, but a cool chandelier would be perfect w/this color ceiling.

This light would be be perfect. if the red is too much for you, pick a darker shade than what's on your wall. maybe do a metallic silver

I also like this wainscot and wallpaper.

how much work/$$ do you want to spend? Wallpaper is a great idea for powder rooms.

you needn't do the entire room. you could:

paper only the ceiling

(and on this one they did all the walls in black. this would look really good w/your style vanity and lights)

paper only one wall

paper all the walls but do a wainscont on the bottom, paper on top of it.

this one is pretty. don't forget the ceiling light:

This one is super cute w/the dark gray ceiling, ceiling light, a beadboard wainscot and

a nice wallpaper.

Since you do have tall ceilings, I think you could do something like this w/a darker color on top, or on the ceiling

you could do (this is picture frame molding) around the bottom portion

You could also try painting (only the towel wall) one dramatic color, and replacing those towels w/something more eye-catching.

I think a black wall w/art, colorful towels, would amp it up

Pick out one of the red/pink colors in the rug and get some larger towels in that color to hang.

Another simple idea. The towel wall? paint it a dramatic color. I like black w/your modern vanity style, but a deep blue to match your rug would also work. so would red.

They hung a huge macreme piece on this one. I think your towels could be moved over by the sink since that towel bar is too small.

Another option, try doing just the toilet area in dark, add some wood shelves and accessories (move the art to the towel wall)

This is a piece of art you need for that one wall (no towels) you need something substantial and something w/color, or some type of design)

Over the toilet area move the art and instead do some wall to wall shelves like this one (or get some marble w/silver brackets) do the exact same accessories like they have

paint the whole room that deep blue shade in the rug

First decide on a color/consider the look you want. Wallpaper is great in a powder room for impact and fun. Skip a rug, only accessorize at the end and suggest a longer (and lower) towel rack with lux towels. Look at a ton of inspiration rooms. For instance, I searched “raspberry wallpaper in powder room“. You could even just do one larger wall, which will be much easier/less expensive, but still have impact.

Wow I love all of your ideas!!! 😍 if I put a patterned wall paper all over the walls shouldn’t I remove the existing rug and a artwork? Or can I leave them?

personally I'd start over, but if you find a paper that matches the colors of both, you can use them.