You can turn on dark mode in Discord by going to the desktop or mobile app's "Appearance" menu and selecting the Dark theme.

Discord has begun rolling out a redesigned desktop app that adds more customization to the client. To start, the new app increases the number of free themes to four. Where previously you could choose ...

Discord is finally updating the themes on its desktop app to include a full dark mode that’s ideal for OLED monitors. The new Onyx dark mode is part of a number of UI updates to the Discord desktop ...

The Discord desktop app now closely matches the mobile variants, with refreshed colors and illustrations. The Discord desktop app now closely matches the mobile variants, with refreshed colors and ...