diff --git a/library-css/input.scss b/library-css/input.scss
index 31e289b..2003df3 100644
--- a/library-css/input.scss
+++ b/library-css/input.scss
@@ -81,6 +81,10 @@
   font-size: 16px;
 }
 
+.input-box .mat-select.mat-select-invalid .mat-select-arrow {
+  color: #1A1A1A !important;
+}
+
 .input-box .mat-select-value {
   color: currentColor;
 }