Red was the beautiful and passionate color
It certainly is, and red comes in many different shades as well. There's crimson, scarlet, vermillion, and burgundy. So there's variety!
Yes, in our daily life we met with various things which are in red color.
That's very true. And it's an interesting bit of color psychology that police officers will more likely pull over red cars than other cars.
Human psychology also mostly related with red color. It is also a symbol of danger.
Or desire, as it happens. Research suggests hetero men believe that women who wear red are much more attractive than otherwise.