BP344 · Appendix A.7 · Section 13
Signage & Wayfinding Provisions
A.7.1International Symbol of Access (ISA): white figure on United Nations Blue (#5B92E5 / Pantone 279) background. Figure always faces right; add directional arrow if accessible area is to the left.
A.7.2All accessible signs shall have embossed text, graphics, and Braille. Raised characters min 16 mm high, Grade 2 Braille below text. Wall/door signs min 200 mm × 200 mm.
A.7.3Mounting height: center of sign max 1500 mm from finished floor. Signs with protrusion into walkways: min 2200 mm vertical clearance below.
A.7.4Directional ISA signs at all passageways and direction-change points leading to lifts, entrances, toilets, parking, telephones.
A.7.5Luminance contrast min 30% from surroundings. Light characters on dark background. Eggshell/matt non-glare finish. Wall-mounted objects shall not protrude >100 mm at 685–2000 mm height.
A.7.11Tactile floor surfaces: min luminance contrast 50% from adjacent floor. Situated min 600 mm from tripping hazards, walls, columns. Required at stairs, escalators, ramps, open spaces, entrances, ticket gates, ATMs.
Key Dimensions
SIGNAGE — CRITICAL MEASUREMENTS
Sign Mount Height (center)Max 1500 mm from floor
Protruding Sign Clearance2200 mm min
Min Sign Size (wall/door)200 × 200 mm
ISA Background ColorUN Blue #5B92E5 (Pantone 279)
ISA Figure ColorWhite, facing right
Sign Contrast30% min luminance
Raised Character Height16–50 mm
Tactile Floor Contrast50% min luminance
Tactile Clearance from Hazard600 mm
| Viewing Distance | Symbol Size | Min Letter Height |
| Up to 7.00 m | 60 × 60 mm | 10 mm |
| 7.00 – 18.00 m | 100 × 100 mm | 30 mm |
| Above 18.00 m | 200×200 – 450×400 mm | 50–500 mm |