[accessibility-3739182]:[Visual Requirement - Azure Cosmos DB - Add Row]: Ensures the contrast between foreground and background colors meets WCAG 2 AA minimum contrast ratio thresholds. (#2054)

Co-authored-by: Satyapriya Bai <v-satybai@microsoft.com>

less/Common/Constants.less

@@ -61,6 +61,8 @@
 
 @GalleryBackgroundColor: #fdfdfd;
 
+@LinkColor: #2d6da4;
+
 //Icons
 @InfoIconColor: #0072c6;
 @WarningIconColor: #db7500;