diff --git a/flaskr/__init__.py b/flaskr/__init__.py
index 478d81a..f060ca2 100644
--- a/flaskr/__init__.py
+++ b/flaskr/__init__.py
@@ -39,7 +39,8 @@ data = {
         "system": "dark",
         "dark": "light",
         "light": "contrast",
-        "contrast": "system"
+        "contrast": "contrast-dark",
+        "contrast-dark": "system",
     }
 }
 
diff --git a/flaskr/templates/_base.html b/flaskr/templates/_base.html
index 20e442e..9b01bdf 100644
--- a/flaskr/templates/_base.html
+++ b/flaskr/templates/_base.html
@@ -64,7 +64,10 @@
             <title>Light theme</title>
             {% elif theme == "contrast" %}
             <path d="M4 0c-2.2 0-4 1.8-4 4s1.8 4 4 4 4-1.8 4-4-1.8-4-4-4zm0 1c1.66 0 3 1.34 3 3s-1.34 3-3 3v-6z" />
-            <title>High contrast theme</title>
+            <title>High-contrast theme</title>
+            {% elif theme == "contrast-dark" %}
+            <path d="M4 0c-2.2 0-4 1.8-4 4s1.8 4 4 4 4-1.8 4-4-1.8-4-4-4zm0 1c1.66 0 3 1.34 3 3s-1.34 3-3 3v-6z" />
+            <title>Dark high-contrast theme</title>
             {% elif theme == "special" %}
             <image href="/static/i/apioform1.png" width="8" height="8" />
   transform="translate(0 1)" />
@@ -89,4 +92,4 @@
     </footer>
     {% endif %}
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/flaskr/templates/index.html b/flaskr/templates/index.html
index 2148eb5..6cd781d 100644
--- a/flaskr/templates/index.html
+++ b/flaskr/templates/index.html
@@ -23,6 +23,8 @@ below to view the GEORGE homepage or access the previous and next members in the
 <iframe height="50" src="https://george.gh0.pw/embed.cgi?trimill&c_bg=%23f6f5f2&c_fg=%2328262b&c_links=%230642c3&c_george=%230d8101&c_underline=%230d8101" style="border:none;width:100%;" sandbox="allow-top-navigation"></iframe>
 {% elif theme == "contrast" %}
 <iframe height="50" src="https://george.gh0.pw/embed.cgi?trimill" style="border:none;width:100%;" sandbox="allow-top-navigation"></iframe>
+{% elif theme == "contrast-dark" %}
+<iframe height="50" src="https://george.gh0.pw/embed.cgi?trimill&c_bg=%23000000&c_fg=%23ffffff&c_links=%2344c0ff&c_george=%2344c0ff&c_underline=%2344c0ff" style="border:none;width:100%;" sandbox="allow-top-navigation"></iframe>
 {% elif theme == "special" %}
 <iframe height="50" src="https://george.gh0.pw/embed.cgi?trimill&c_bg=%23ffff00&c_fg=%23ff00ff&c_links=%2300ffff&c_george=%2300ff00&c_underline=%2300ff00" style="border:none;width:100%;" sandbox="allow-top-navigation"></iframe>
 {% elif theme == "system" %}