diff --git a/database/migrations/2026_04_28_220700_add_common_settings_defaults.php b/database/migrations/2026_04_28_220700_add_common_settings_defaults.php
index 0c4b894..69f6253 100644
--- a/database/migrations/2026_04_28_220700_add_common_settings_defaults.php
+++ b/database/migrations/2026_04_28_220700_add_common_settings_defaults.php
@@ -20,7 +20,7 @@ return new class extends Migration {
             'cron_job_batch_process_count' => '10',
             'cron_job_period' => '1',
             'gemini_api_key' => '',
-            'header_color' => 'bg-primary-dark',
+            'header_color' => 'bg-primary-darker',
             'DevExpress_Theme' => 'dx.material.orange.light.compact.css',
             'pdf_template_path' => 'default',
             'languages' => json_encode(['en', 'tr']),