Match Light blue
RAL Classic Light blue is a deep, low-reflectance shade with an LRV of 23. The matches below are ranked by ΔE, a perceptual color-difference score.
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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.
Light blue reads slightly lighter (LRV 23 vs 13), a gap that shows most in low-lit rooms. At ΔE 1.1 you'd need them side by side to tell them apart.
A 4-point LRV gap (27 vs 23) makes Bellflower the marginally brighter of the two. The ΔE 4.1 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 24 and 23, the two reflect almost the same amount of light. At ΔE 5.1 they're clearly different, yet close enough to share a room.
Electric Blue reads slightly lighter (LRV 28 vs 23), a gap that shows most in low-lit rooms. At ΔE 5.7 they're clearly different, yet close enough to share a room.
Light blue reads slightly lighter (LRV 23 vs 19), a gap that shows most in low-lit rooms. At ΔE 7.0 they're clearly different, yet close enough to share a room.
A 3-point LRV gap (23 vs 20) makes Light blue the marginally brighter of the two. The ΔE 9.3 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 26 vs 23), so neither reads brighter in a room. A ΔE of 10.1 puts them firmly in different territory — a strong contrast if combined.
A 7-point LRV gap (30 vs 23) makes St Giles Blue the marginally brighter of the two. A ΔE of 11.2 puts them firmly in different territory — a strong contrast if combined.
A 9-point LRV gap (32 vs 23) makes Delicate Cornflower the marginally brighter of the two. A ΔE of 12.0 puts them firmly in different territory — a strong contrast if combined.
With LRVs of 24 and 23, the two reflect almost the same amount of light. At ΔE 14.2 these are two genuinely different directions, not variations on a theme.
A 6-point LRV gap (23 vs 18) makes Light blue the marginally brighter of the two. A ΔE of 16.7 puts them firmly in different territory — a strong contrast if combined.
Light blue reads slightly lighter (LRV 23 vs 14), a gap that shows most in low-lit rooms. At ΔE 27.3 these are two genuinely different directions, not variations on a theme.
Light blue reflects far more light (LRV 23 vs 8), opening up a space where Statement Blue encloses it. At ΔE 28.5 these are two genuinely different directions, not variations on a theme.
Light blue reads slightly lighter (LRV 23 vs 19), a gap that shows most in low-lit rooms. At ΔE 28.8 these are two genuinely different directions, not variations on a theme.