Signal blue
RAL Classic's Signal blue is a blue shade whose quieter details emerge through comparison. Its blue classifications hint at the directions it may take as daylight, lamps and neighboring colors move around it. Because screens flatten both light and texture, sample the paint beside the finishes that will ultimately surround it.
Hex
#005387LRV
10.27
Signal blue in Rooms
Follow Signal blue from one space to another and watch how light, scale and surrounding materials reshape its character. 3 sourced room photos offer a closer look at the color in lived-in settings.
1 House Photo
Signal blue (RAL 5005) can change noticeably under full daylight, cloud cover and long evening shadows. Sample it beside the finishes that will remain in the room.
RAL Classic Signal blue 5005 exterior
@giuliettaboggio_archidesign
2 Misc Photos
The 2 misc images turn a blue swatch into something more spatial and expressive. With an LRV of 10.3, it carries enough visual weight to make light, trim and texture feel especially deliberate.
RAL Classic Signal blue 5005 door
@etalonbelgorod
RAL Classic Signal blue 5005 review
@sydalinnakodu
Similar Colors
Light blue reflects far more light (LRV 23 vs 10), opening up a space where Signal blue encloses it.
With LRVs of 12 and 10, the two reflect almost the same amount of light.
Sky blue reads slightly lighter (LRV 19 vs 10), a gap that shows most in low-lit rooms.
With LRVs of 11 and 10, the two reflect almost the same amount of light.
With LRVs of 10 and 9, the two reflect almost the same amount of light.
Their light reflectance is nearly identical (LRV 10 vs 9), so neither reads brighter in a room.
Complementary Colors
With LRVs of 11 and 10, the two reflect almost the same amount of light.
At LRV 25 vs 10, Salmon orange is decisively the brighter choice.
At LRV 23 vs 10, Signal orange is decisively the brighter choice.
Vermilion reads slightly lighter (LRV 16 vs 10), a gap that shows most in low-lit rooms.
Red orange reads slightly lighter (LRV 18 vs 10), a gap that shows most in low-lit rooms.
At LRV 44 vs 10, Pastel yellow is decisively the brighter choice.
A 4-point LRV gap (14 vs 10) makes Traffic red the marginally brighter of the two.