Default theme examples - HaxeFoundation/dox GitHub Wiki
The default theme has some arguments to customize it to your needs. This page contains commandline examples and its output.
Example - no settings
-cmd haxelib run dox -i bin/xml -o bin/api-minimal
Example - themeColor and title
-cmd haxelib run dox -i bin/xml -o bin/api-basic --title "API documentation" -D themeColor 0x1294f6
Example - themeColor, textColor, title, website and logo
-cmd haxelib run dox -i bin/xml -o bin/api-advanced --title "Great API documentation" -D version "1.0.0 beta" -D website "http://haxe.org" -D logo "https://placehold.it/300x75/3c4db7" -D themeColor 0x1294F6 -D textColor 0x9BF1FB -D description "Just a perfect day to learn all about this framework!" -D source-path https://github.com/HaxeFoundation/haxe/blob/development/std/ -ex my.secret.pack
If these settings are not enough you might want to use/create Custom themes.