Two shades of blue: France changes colour of national flag and it went unnoticed for 3 years

President Emmanuel Macron ordered a change to the colour of the French flag to find echoes of heroism in France's past. The change was so subtle that it went unnoticed for almost three years.

It's a change so subtle it went unnoticed for almost three years. But President Emmanuel Macron ordered a change to the colour of the French flag to find echoes of heroism in France's past.

Keen-eyed observers can see that the French red-white-and-blue tricolour flying above the Elysee Palace and also placed behind Macron at news conferences and speeches now has a darker navy blue rather than the previous bright blue.