The Washington Nationals use red, navy blue and white. The palette mirrors the colors of the U.S. flag, fitting a team based in the nation's capital. The curly 'W' logo is usually red on navy caps or navy on red. Home uniforms are white with red lettering.
These are commonly used reference values; they can vary by source, material or screen. Brand names and colors belong to their owners; this page only lists color codes for information.