diff --git a/theme-arc-blue.css b/theme-arc-blue.css
index 2d41dca..0d62a25 100644
--- a/theme-arc-blue.css
+++ b/theme-arc-blue.css
@@ -987,21 +987,21 @@
   .markdown:not(code) h6 {
       color: #d5d5d5;
   }
-   .heatmap-color-0 {
-      background-color: #1a1a1a;
+  .heatmap-color-0 {
+      background-color: #0a0a0a;
   }
   .heatmap-color-1 {
-      background-color: #7895b4;
-   }
-   .heatmap-color-2 {
-      background-color: #4b719c;
-   }
-   .heatmap-color-3 {
-      background-color: #1e4e83;
-   }
-   .heatmap-color-4 {
-      background-color: #08386d;
-   }
-   .heatmap-color-5 {
-      background-color: #06274c;
-   }
+      background-color: #06264f;
+  }
+  .heatmap-color-2 {
+      background-color: #0f3684;
+  }
+  .heatmap-color-3 {
+      background-color: #1956ba;
+  }
+  .heatmap-color-4 {
+      background-color: #2176df;
+  }
+  .heatmap-color-5 {
+      background-color: #3d9bdf;
+  }