diff --git a/block/imglink/index.html b/block/imglink/index.html
index a6af872..8c443b4 100644
--- a/block/imglink/index.html
+++ b/block/imglink/index.html
@@ -37,7 +37,7 @@
         }
 
         .black {
-            background-color: rgb(47, 52, 55);
+            background-color: #191919;
         }
 
         .white {
diff --git a/block/style.css b/block/style.css
index 632abe1..674bff8 100644
--- a/block/style.css
+++ b/block/style.css
@@ -12,7 +12,7 @@ body {
 }
 
 .night {
-    background-color: rgb(47, 52, 55);
+    background-color: #191919;
     color: rgba(255, 255, 255, 0.9);
 }
 
diff --git a/block/table/index.html b/block/table/index.html
index fa9878d..b3ccfba 100644
--- a/block/table/index.html
+++ b/block/table/index.html
@@ -19,7 +19,7 @@
     <script src="../notion-tools-block-module.js"></script>
     <style>
         .black {
-            background-color: rgb(47, 52, 55);
+            background-color: #191919;
             color: #ffffff;
         }