Change the TextInputLayout outline color

Use this style to apply border color and border width like this :

<style name="LoginTextInputLayoutStyle" parent="Widget.MaterialComponents.TextInputLayout.OutlinedBox.Dense">
    <item name="boxStrokeColor">#fff</item>
    <item name="boxStrokeWidth">2dp</item>
</style>

get Additional details about styling from this link

Add below line in your colors.xml file that overrides default color for TextInputLayout

<color name="mtrl_textinput_default_box_stroke_color" tools:override="true">#fff</color>