diff --git a/{{cookiecutter.out_dir}}/web/manifest.json b/{{cookiecutter.out_dir}}/web/manifest.json
index 2afd07a..9e2b3e3 100644
--- a/{{cookiecutter.out_dir}}/web/manifest.json
+++ b/{{cookiecutter.out_dir}}/web/manifest.json
@@ -3,8 +3,8 @@
     "short_name": "{{ cookiecutter.project_name }}",
     "start_url": ".",
     "display": "standalone",
-    "background_color": "{{ cookiecutter.pwa_background_color }}",
-    "theme_color": "{{ cookiecutter.pwa_theme_color }}",
+    "background_color": "{{ cookiecutter.pwa_background_color if cookiecutter.pwa_background_color else '#0175C2' }}",
+    "theme_color": "{{ cookiecutter.pwa_theme_color if cookiecutter.pwa_theme_color else '#0175C2' }}",
     "description": "{{ cookiecutter.project_description }}",
     "orientation": "portrait-primary",
     "prefer_related_applications": false,