This box shows the color cobalt blue. |
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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]
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 |