diff --git a/resources/themes/cura-dark/theme.json b/resources/themes/cura-dark/theme.json
index f15c1abf2c..8d68bb0d5b 100644
--- a/resources/themes/cura-dark/theme.json
+++ b/resources/themes/cura-dark/theme.json
@@ -5,7 +5,7 @@
     },
 
     "colors": {
-        "main_background": [39, 44, 48, 255],
+        "main_background": [31, 31, 32, 255],
         "message_background": [39, 44, 48, 255],
         "wide_lining": [31, 36, 39, 255],
         "thick_lining": [255, 255, 255, 60],
@@ -20,13 +20,16 @@
         "secondary_button_hover": [85, 85, 87, 255],
         "secondary_button_text": [255, 255, 255, 255],
 
-        "icon": [204, 204, 204, 255],
+        "icon": [255, 255, 255, 255],
         "toolbar_background": [39, 44, 48, 255],
-        "toolbar_button_active": [95, 95, 95, 255],
-        "toolbar_button_hover": [95, 95, 95, 255],
-        "toolbar_button_active_hover": [95, 95, 95, 255],
+        "toolbar_button_active": [57, 57, 58, 255],
+        "toolbar_button_hover": [57, 57, 58, 255],
+        "toolbar_button_active_hover": [57, 57, 58, 255],
 
         "main_window_header_button_text_inactive": [128, 128, 128, 255],
+        "main_window_header_background": [14, 14, 14, 255],
+        "main_window_header_background_gradient": [32, 32, 32, 255],
+        "main_window_header_button_background_hovered": [46, 46, 46, 255],
 
         "account_sync_state_icon": [255, 255, 255, 204],