Oxford Blue theme for Home Assistant
Theme for Home Assistant that uses a darker shade of blue.
Any PRs are highly welcome.
You can install this via HACS and keep it up to date. I highly recommend going that route.
Grab the YAML file and put it in your themes folder. If you put it there via git, you can get upstream updates. If you install via HACS, you get them automatically. But it's just a little bit of CSS.