diff --git a/docs/images/TU_Signet_weiss_transparent_72dpi_RGB.png b/docs/images/signet_white.png
similarity index 100%
rename from docs/images/TU_Signet_weiss_transparent_72dpi_RGB.png
rename to docs/images/signet_white.png
diff --git a/docs/stylesheets/extra.css b/docs/stylesheets/extra.css
index 8b952ed520848b99831b662f0d8ce83dc26bcf20..aa80e93d2c4166104e3dabc5e435a0c5ea472769 100644
--- a/docs/stylesheets/extra.css
+++ b/docs/stylesheets/extra.css
@@ -1,7 +1,7 @@
 :root {
-    --md-primary-fg-color: #5e7677;
-    --md-accent-fg-color: #4b5e5e /* darken 10% */;
-    --md-primary-fg-color--dark: #4b5e5e /* darken 10% */;
+    --md-primary-fg-color: #1976d2;
+    --md-accent-fg-color: #166abc /* darken 10% */;
+    --md-primary-fg-color--dark: #135fa9 /* darken 10% */;
 }
 
 .md-main .md-content a:not(.action-button),
diff --git a/mkdocs.yml b/mkdocs.yml
index 888fbcb21ddc23d26fcf710c18f1d8aaabfe1ddc..bce7830285c0ee420863d4fa75ca39ef9ea3eed8 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -18,8 +18,8 @@ nav:
 extra_css:
   - stylesheets/extra.css
 theme:
-  favicon: images/DS-icon_white_hiRes.png
-  logo: images/DS-icon_white_hiRes.png
+  favicon: images/signet_white.png
+  logo: images/signet_white.png
   font:
     text: IBM Plex Serif
     code: IBM Plex Mono