Accessibility plays a crucial role in web design by ensuring that websites and applications are usable by individuals of all abilities and disabilities. Implementing accessibility features, such as keyboard navigation, alt text for images, and screen reader compatibility, allows people with visual, auditory, or mobility impairments to access content effectively. Prioritizing accessibility not only complies with legal standards but also broadens audience reach, enhancing user experience for all. By fostering inclusive digital spaces, web design serves as a tool for equality and social inclusion.