directly link owncloud_blue color ID to setup.xml's actionbar_start_color to enable proper color manipulation. Technical debt: setup should rename the actionbar_start_color (and actionbar_end_color) since it is basically the primary-oiiod value due to material design terms.

res/values/colors.xml

@@ -19,7 +19,7 @@
 -->
 <resources>
 
-    <color name="owncloud_blue">#1D2D44</color>
+    <color name="owncloud_blue">@color/actionbar_start_color</color>
     <color name="owncloud_blue_accent">#35537A</color>
     <color name="owncloud_blue_bright">#00ddff</color>