diff --git a/tools/daggosaurus/docusaurus.config.js b/tools/daggosaurus/docusaurus.config.js
index e0e53c6c..fab69fc4 100644
--- a/tools/daggosaurus/docusaurus.config.js
+++ b/tools/daggosaurus/docusaurus.config.js
@@ -25,6 +25,7 @@ module.exports = {
       logo: {
         alt: 'My Site Logo',
         src: 'img/dagger-logo.png',
+        srcDark: 'img/dagger_logo_dark.png',
       },
     },
   },
diff --git a/tools/daggosaurus/src/css/custom.css b/tools/daggosaurus/src/css/custom.css
index 9340d1db..2942052c 100644
--- a/tools/daggosaurus/src/css/custom.css
+++ b/tools/daggosaurus/src/css/custom.css
@@ -97,3 +97,7 @@ p {
 .table-of-contents__link--active {
   font-weight: bold;
 }
+html[data-theme="dark"] .table-of-contents__link--active,
+html[data-theme="dark"] .table-of-contents__link:hover {
+  color: var(--ifm-color-primary-light);
+}
diff --git a/tools/daggosaurus/static/img/dagger-logo.png b/tools/daggosaurus/static/img/dagger-logo.png
index 7c5e64e8..19723fb5 100644
Binary files a/tools/daggosaurus/static/img/dagger-logo.png and b/tools/daggosaurus/static/img/dagger-logo.png differ
diff --git a/tools/daggosaurus/static/img/dagger_logo_dark.png b/tools/daggosaurus/static/img/dagger_logo_dark.png
new file mode 100644
index 00000000..033e397f
Binary files /dev/null and b/tools/daggosaurus/static/img/dagger_logo_dark.png differ