Improved launcher icon on Android

app/views/layouts/application.html.haml

@@ -8,7 +8,7 @@
     %link{:rel => "apple-touch-icon", :sizes => "180x180", :href => "/apple-touch-icon.png"}/
     %link{:rel => "manifest", :href => "/manifest.json"}/
     %meta{:name => "msapplication-config", :content => "/browserconfig.xml"}/
-    %meta{:name => "theme-color", :content => "#2b90d9"}/
+    %meta{:name => "theme-color", :content => "#282c37"}/
     %meta{:name => "apple-mobile-web-app-capable", :content => "yes"}/
 
     %title

public/manifest.json

@@ -8,7 +8,7 @@
 			"type": "image\/png"
 		}
 	],
-	"theme_color": "#ffffff",
+	"theme_color": "#282c37",
 	"display": "standalone",
 	"start_url": "/web/timelines/home"
 }