diff --git a/index.html b/index.html
index 526d1e1..a079cde 100644
--- a/index.html
+++ b/index.html
@@ -11,6 +11,7 @@
       name="description"
       content="Easily and accurately convert dates among the Gregorian, Julian, Hebrew, Islamic, and Persian calendars"
     />
+    <meta name="theme-color" content="#124ba1" />
     <meta
       property="og:title"
       content="Calendar Converter for Near East Historians"
diff --git a/sw.js b/sw.js
index dd0ee00..19044f4 100644
--- a/sw.js
+++ b/sw.js
@@ -1,2 +1,2 @@
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diff --git a/sw.js.map b/sw.js.map
index 86b3d5f..5ff1620 100644
--- a/sw.js.map
+++ b/sw.js.map
@@ -1 +1 @@
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