Why is it called Klein Blue?

This kind of blue was mixed by French artist Yves Klein and first patented, so it is called Klein blue, also called sapphire blue.

The RGB ratio of "Klein blue" is 0:47:167. This kind of blue is bright, spacious and relatively pure, so it is called "ideal blue" and "absolute blue".

Reasons for the recent popularity of Klein blue:

1. This color is very white;

2. This color has appeared in some fashion shows The clothes, coupled with the introduction and recommendation of many art bloggers on the Internet, have been widely spread;

3. This color is also a versatile color.