diff --git a/static/stylesheet/style.less b/static/stylesheet/style.less
index bd88d23..b8947a0 100644
--- a/static/stylesheet/style.less
+++ b/static/stylesheet/style.less
@@ -404,6 +404,10 @@ ul.social {
     background-color: @stack-overflow-bg-color;
   }
 
+  a.sc-tumblr {
+    background-color: @tumblr-bg-color;
+  }
+
   a.sc-twitter {
     background-color: @twitter-bg-color;
   }
diff --git a/static/stylesheet/variables.less b/static/stylesheet/variables.less
index 693fae3..6d7fcca 100644
--- a/static/stylesheet/variables.less
+++ b/static/stylesheet/variables.less
@@ -61,6 +61,7 @@
 @rss-bg-color: #f26109;
 @soundcloud-bg-color: #ff5500;
 @stack-overflow-bg-color: #ff9900;
+@tumblr-bg-color: #36465d;
 @twitter-bg-color: #4da7de;
 @youtube-bg-color: #e02a20;
 @gitlab-bg-color: #fca326;