This box shows the colour cobalt blue.
Cobalt blue is a cool blue colour . People used to make it using cobalt salts. Cobalt blue is used widely by artists. Many pieces of glassware have this colour--glassware that does have this colour is called cobalt glass .
The first written use of cobalt blue as a colour name in English was in 1777.[1]
John Varley suggested cobalt blue as a good substitution for ultramarine blue for painting skies.Maxfield Parrish , famous partly for the intensity of his skyscapes, used cobalt blue, and cobalt blue is sometimes called Parrish blue as a result.Cobalt blue was the primary blue pigment used in Chinese blue and white porcelain for centuries, beginning in the late 8th or early 9th century.[2] Tones of cobalt blue colour comparison chart [ change | change source ]
Name
Color
HEX Code
Red
Green
Blue
Hue
Sat
Lum
Source
Cobalt blue
#0047AB
0
71
171
215°
100%
34%
Zaffre
#0014AB
0
20
171
233°
100%
34%
Smalt
#003399
0
51
63
220°
100%
30%
(Dark Powder Blue)
Spanish Cobalt Blue
#00438A
0
67
138
211°
100%
27%
Cobalt Blue (Gallego & Sanz)
Thenard Blue
#333C87
51
60
135
234°
45%
36%
Gallego & Sanz
↑ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 91; Color Sample of Cobalt Blue: Page 131 Plate 34 Color Sample L7
↑ "Chinese visual arts » Stylistic and historical development, 1206–1912 » Yüan dynasty (1206–1368) » Ceramics ." Encyclopædia Britannica Online . Accessed 14 May 2009.
