query custom meta by date

I have a query for pages that have the textdate custom meta. I want to show only 1 page title closest to the current date. I cant seem to get it to work. I read one of the posts in the support forum and still couldnt get it to work. Am I missing something?

<?php

                $args = array(
                'post_type' => array( 'page' ),
		'orderby' => 'meta_value',
                'order' => 'DESC',
                'meta_key' => '_cmb_test_textdate',

                'meta_query' => array(
                    array(
                        'key' => '_cmb_test_textdate',
                        'value' => date('Ymd'),
                        'compare' => '<=',
                    )
                )
                );

                $the_query = new WP_Query( $args );
                ?>

                <?php if( $the_query->have_posts() ): ?>

                <?php while ( $the_query->have_posts() ) : $the_query->the_post(); ?>

                <a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>

                <?php endwhile; ?>

                <?php endif; ?>

                <?php wp_reset_query(); ?>

https://wordpress.org/plugins/cmb2/