Behr Thermal
S440-7 · #3F5052 · LRV 7.4
Compare with other brands: Dunn-Edwards Lunar Eclipse is a 98% matchThermal (S440-7) is a deep blue from Behr with a moderate blue-green undertone. Its LRV is about 7.4 (very dark): it absorbs almost all light for a dramatic, enveloping look. plan for good artificial lighting. The closest match in another brand is Dunn-Edwards Lunar Eclipse (98% match).
Compare Thermal with other brands
Three catalogs stay in the list — tap another card to swap the last column. Matches are estimates from digital values, not official conversions. Always check a real sample.
LRV
7.4 · Very dark
Undertone
Blue-green · moderate
Temperature
Cool
Code
S440-7
HEX
#3F5052
RGB
63, 80, 82
HSL
186°, 13%, 28%
Family
Colors similar to Thermal in Behr
Neighboring tones from the same fan deck, if you want a shade lighter, darker, warmer, or cooler.
Thermal FAQ
What undertone does Thermal have?
Thermal is a deep blue with a moderate blue-green undertone. Its color temperature is cool. This is estimated from the digital color values; north-facing light pulls undertones cooler and warm bulbs pull them warmer, so check a real sample on your wall.
What is the LRV of Thermal?
Thermal has an LRV (Light Reflectance Value) of about 7.4 on a 0–100 scale, which is very dark. It absorbs almost all light for a dramatic, enveloping look. Plan for good artificial lighting.
What is the closest match to Thermal in other brands?
Dunn-Edwards: Lunar Eclipse (DE5776), 98%; PPG: Night Watch (PPG1145-7), 96%; Benjamin Moore: Navy Masterpiece (1652), 96%; Valspar: Slate Court (5001-4C), 96%; Glidden: Night Watch (PPG1145-7), 95%; Sherwin-Williams: Tarragon (SW 9660), 94%; Farrow & Ball: Hague Blue (No. 30), 90%; HGTV Home by Sherwin-Williams: Still Water (HGSW6223), 89%. Matches are estimated from digital color values and are not official conversions; always compare a real sample of both.
What is the HEX code of Thermal?
The HEX code of Thermal (S440-7) is #3F5052, RGB 63, 80, 82. Use it for digital mockups; painted color will vary with light and sheen.