diff --git a/docs/source/conf.py b/docs/source/conf.py
index cedacc7..76e7048 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -18,4 +18,13 @@ html_theme_options = {
     "globaltoc_collapse": True,
     "light_logo": "kupfer-black-transparent.svg",
     "dark_logo": "kupfer-white-transparent.svg",
+    "light_css_variables": {
+        "color-brand-primary": "#882a1a",
+        "color-brand-content": "#882a1a",
+    },
+    "dark_css_variables": {
+        "color-brand-primary": "#eba38d",
+        "color-brand-content": "#eba38d",
+        "color-problematic": "#ff7564",
+    },
 }