<style name="AppTheme.Parent" parent="Theme.AppCompat.Light.NoActionBar">
    <item name="colorPrimary">@color/blue</item>
    <item name="colorPrimaryDark">@color/dark_blue</item>
    <item name="colorAccent">@color/pink</item>

    <item name="android:windowNoTitle">true</item>
    <item name="windowActionBar">false</item>
</style>

<android.support.v7.widget.Toolbar
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="?attr/colorPrimary"
    android:minHeight="@dimen/abc_action_bar_default_height_material"
    app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
    app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />

<style name="MyToolbarStyle" parent="ThemeOverlay.AppCompat.ActionBar">
    <!-- Used to for the title of the Toolbar -->
    <item name="android:textColorPrimary">#fff</item>
    <!-- Used to for the title of the Toolbar when parent is Theme.AppCompat.Light -->
    <item name="android:textColorPrimaryInverse">#fff</item>
    <!-- Used to color the text of the action menu icons -->
    <item name="android:textColorSecondary">#fff</item>
    <!-- Used to color the overflow menu icon -->
    <item name="actionMenuTextColor">#fff</item>
    <!-- Color of the Toolbar -->
    <item name="android:background">#455a64</item>
</style>

<android.support.v7.widget.Toolbar
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:background="?attr/colorPrimary"
   android:minHeight="@dimen/abc_action_bar_default_height_material">

   <!-- Below will add your text in the center of toolbar -->
   <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:text="Your Text"
        android:textColor=#ff0000
        android:textStyle="bold"/>

</android.support.v7.widget.Toolbar>