'Ueber die Bereitung einer blauen Farbe aus Kobalt, die eben so schön ist wie Ultramarin. 91 Color Sample of Cobalt Blue: Plate 34 Color Sample L7 Part 12, Ceramic Technology, Cambridge: Cambridge University Press, pp. 658–692, ISBN 3-9. ^ Kerr, Rose Wood, Nigel (2004), Science and Civilisation in China Volume 5.Sonic the Hedgehog, Sega's current mascot, was colored to match.

Sega's official logo color is cobalt blue.state – Nevada – have cobalt blue as one of three shades of their flags. Several countries including the Netherlands and Romania, and a U.S.Two Major League Soccer teams have cobalt blue as a secondary color: Real Salt Lake from its inception, and Sporting Kansas City on its home uniforms since 2008.Because of its chemical stability in the presence of alkali, cobalt blue is used as a pigment in blue concrete.Several car manufacturers including Jeep and Bugatti have cobalt blue as paint options.Cobalt blue is a commonly used color for interior decorating.Maxfield Parrish, partially famous for the intensity of his skyscapes, frequently used cobalt blue, and as a result cobalt blue sometimes is called Parrish blue.It is stable and lightfast and also compatible with all other pigments. Turner, Impressionists such as Pierre-Auguste Renoir and Claude Monet, and Post-Impressionists such as Vincent van Gogh. Cobalt blue has been used in paintings since its discovery by Thénard, by painters such as J.Capable, by its superior brilliancy and contrast, to subdue the brightness of other blues.' Watercolorist John Varley suggested cobalt blue as a good substitution for ultramarine for painting skies, writing in his 'List of Colours' from 1818: 'Used as a substitute for ultramarine in its brightness of colour, and superior when used in skies and other objects, which require even tints used occasionally in retrieving the brightness of those tints when too heavy, and for tints in drapery, etc.Cobalt blue was the primary blue pigment used for centuries in Chinese blue and white porcelain, beginning in the late eighth or early ninth century.Germany also was famous for production of it, especially the blue colour works ( Blaufarbenwerke) in the Ore Mountains of Saxony. The leading world manufacturer of cobalt blue in the nineteenth century was Benjamin Wegner's Norwegian company Blaafarveværket (' blue colour works' in Dano-Norwegian). Commercial production began in France in 1807. It was independently discovered as a pure alumina-based pigment by Louis Jacques Thénard in 1802. The first recorded use of cobalt blue as a color name in English was in 1777. Transparent glasses are tinted with the silica-based cobalt pigment smalt.Ĭobalt blue in impure forms had long been used in Chinese porcelain. It is extremely stable and historically has been used as a coloring agent in ceramics (especially Chinese porcelain), jewelry, and paint. Cobalt blue is lighter and less intense than the (iron-cyanide based) pigment Prussian blue. Chemically, cobalt blue pigment is cobalt(II) oxide-aluminium oxide, or cobalt(II) aluminate, CoAl 2O 4. Cobalt blue is a blue pigment made by sintering cobalt(II) oxide with aluminum(III) oxide (alumina) at 1200 ☌.

07 cobalt blue paint