5+ Slate Blue Colors. What color theory is slate blue? Warm neutrals, such as beige,.

The classic color guide known as the 1912 color standards and color nomenclature lists slate blue as slightly grey and purplish. Slate blue is a unique blend of blue and gray, creating a muted yet rich tone that exudes both tranquility and depth. In a rgb color space, hex #6a5acd (also known as slate blue) is composed of 41.6% red, 35.3% green and 80.4% blue.



