Darker shades of blue include ultramarine, cobalt blue, navy blue, and Prussian blue; while lighter tints include sky blue, azure, and Egyptian blue (for a more complete list see the List of colours).

The meaning of BLUE is of the color whose hue is that of the clear sky : of the color blue. How to use blue in a sentence.

Blue is a basic colour term added to languages after black, white, red, yellow, and green. The term blue derives from Proto-Germanic blæwaz and Old French blo or bleu.

5 hours ago · Blue Origin's powerful New Glenn rocket launched for the second time ever today (Nov. 13), sending NASA's twin Mars ESCAPADE probes aloft — and acing an epic booster …

Apr 23, 2025 · Blue, a color that commands a unique position in the color spectrum, has permeated various aspects of our lives, imbuing them with profound meanings and emotions. …

BLUE definition: 1. of the colour of the sky without clouds on a bright day, or a darker or lighter type of this…. Learn more.

Blue definition: the pure color of a clear sky; the primary color between green and violet in the visible spectrum, an effect of light with a wavelength between 450 and 500 nanometers..