4 April 1881 (bicolour adopted under Charles III, 145 years).
Designed byNo individual designer; heraldic colours of the Grimaldi.
Design & Symbolism
Specs plus what each color and emblem means on this flag — tap an element to reveal its meaning.
Proportions
4:5
Shape
Rectangular
Colors
Red#CE1126 · Pantone 186 C
Red and white are the heraldic colours of the House of Grimaldi, ruling since 1297.
White#FFFFFF
White, with red, comes from the lozengy Grimaldi arms; these are not natural elements.
Construction details
Proportions 4:5. Two equal horizontal bands, red on top, white below. Almost identical to Indonesia's flag (different proportions) and the reverse of Poland's.
Construction sheet
Etiquette & protocol
How the flag should be used and displayed with respect.
Specific rules — Monaco
The flag is honoured on 19 November, National Day.
The national flag is the bicolour; the princely standard (white with the arms) is reserved for the sovereign.
Common conventions
Keep the flag clean and never let it touch the ground.
Never fly a torn or faded flag — repair or replace it.
Illuminate the flag if it stays up at night.
Never use the flag as clothing, packaging or advertising.
Dispose of a worn flag respectfully, not in the trash.
Did you know?
Its red and white are not natural symbols but the heraldic colours of the ruling Grimaldi family, in use since at least 1339.