RAL 5017 Traffic Blue

RAL 5017 Traffic Blue (#063971) is a deep, dark navy from the RAL Classic system designated for European traffic infrastructure — directional signage, motorway information boards, and transport wayfinding systems. This standardized dark blue ensures consistent, authoritative communication across European road and transit networks.

Dark blues like navy and midnight convey authority, intelligence, and unshakeable confidence. They are the color of police uniforms, corporate suits, and official documents worldwide. Navy blue inspires feelings of security and order, anchoring visual hierarchies with gravitas.

Dark blue is the premier choice for header backgrounds, navigation bars, and footer sections in corporate websites. It provides excellent contrast for white text and creates a sense of depth and professionalism. Pair it with bright accent colors like orange or lime for vibrant CTAs that pop against the authoritative background.