RAL 7021 Black grey vs RAL 7031 Blue grey
Side-by-side comparison of RAL 7021 and RAL 7031. Click on a color to view its full details page.
Color Comparison
With a Delta E of 17.1, these colors are very different. Both colors belong to the Blue hue family. Both colors have a neutral temperature. RAL 7031 is brighter with an LRV of 13.1 compared to 3.5 for RAL 7021. Both colors have similar saturation levels.
Color Difference (ΔE)
CIEDE2000 perceptual difference
17.07
Very different
0
5
10
20+
| RAL 7021 Black grey | RAL 7031 Blue grey | |
|---|---|---|
| RGB |
Red 50
Green 53
Blue 55
|
Red 93
Green 103
Blue 109
|
| CMYK |
Cyan 9%
Magenta 4%
Yellow 0%
Key 78%
|
Cyan 15%
Magenta 6%
Yellow 0%
Key 57%
|
| Hue |
204° (Blue)
|
202° (Blue)
|
| Saturation | 5% | 8% |
| Lightness | 21% | 40% |
| LRV | 3.5 | 13.1 |
| CIE L* | 21.9 | 42.9 |
| Color Temperature | Neutral 4520 K | Neutral 4729 K |
See Colors in Context
Window
Front Door
Entrance
Balcony
Window Frame Detail
