Match Signal blue
RAL Classic Signal blue is a deep, low-reflectance shade with an LRV of 10. The matches below are the closest equivalents available across every brand on Pontata, ranked by ΔE — a perceptual color difference score. A ΔE under 3 is subtle; under 10 is noticeable but harmonious; above 25 means genuinely different colors.
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Signal blue
RAL 5005#005387LRV 10
Closest matches across every brand
One match per brand, ranked by ΔE — a perceptual color difference score calculated from Lab color space values. Lower is closer. Click any card to compare side by side in simulated rooms.


Signal blue
Cobalt Embrace
Cobalt Embrace
43BB 09/340 · LRV 9
Nearly identical in tone


Signal blue
RAL 640-5
RAL 640-5
RAL 640-5 · LRV 6
Signal blue reads slightly lighter

Signal blue
Traffic blue
Traffic blue
RAL 5017 · LRV 11
Nearly identical in tone


Signal blue
S 5040-R60B
S 5040-R60B
S 5040-R60B · LRV 4
Signal blue reads slightly lighter


Signal blue
Passageway
Passageway
V137-6 · LRV 14
Passageway reads slightly lighter





