The Internet is an extremely powerful technology to disseminate information and promote and facilitate interactions among members of society. To maximise its impact and scope, it should have availability of access to the general public, including ad aptitudes for people with disabilities or inability to use them. This article presents an application model that aims to increase the levels of accessibility on the web for users with a focus on the visual part of contrast on the web page, providing theopportunity to control the visualization of any web page that the user is using.