That is to symbolize that in Revolianism, men and women are equal.The first line of the equal is red and it represents revolian women: they are passionate, strong and assertive. The second line of the equal is blue and it represents revolian men: they are gentle, graceful, subtle.
The lilac line represents the jointing of the blue, the red and the white, thus of the revolian women and men, having the white symbolize new beginnings, those of our society's perspective on gender stereotypes.