Zaffre

Zaffre
Zaffre
Color coordinates
Hex triplet	#0014A8
sRGBB (r, g, b)	(0, 20, 168)
HSV (h, s, v)	(233°, 100%, 66%)
CIELChuv (L, C, h)	(21, 81, 265°)
Source	X11
ISCC–NBS descriptor	Deep blue
	B: Normalized to [0–255] (byte);

Zaffre (also spelt Zaffer), a prescientific, or alchemical substance, is a deep blue pigment obtained by roasting cobalt ore, and is made of either an impure form of cobalt oxide^[1] or impure cobalt arsenate. During the Victorian Era, zaffre was used to prepare smalt and to stain glass blue.^[2]

The first recorded use of zaffer as a color name in English was sometime in the 1550s (exact year uncertain).^[3]

References

^ ClayArt
^ Mackenzie's Five Thousand Receipts in All the Useful and Domestic Arts , 1845, "Pottery: Black glazing p 369.
^ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 207; Color Sample of Zaffer: Page 109 Plate 43 Color Sample D11

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[ClayArt-1] ClayArt

[2] Mackenzie's Five Thousand Receipts in All the Useful and Domestic Arts , 1845, "Pottery: Black glazing p 369.

[3] Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 207; Color Sample of Zaffer: Page 109 Plate 43 Color Sample D11

[1]

[2]

[3]

See also

References