Always Indigo (Behr ECC-57-3)
Illustrative room. Screen colors vary; test a sample before you paint.
Always Indigo (Behr ECC-57-3) is a very deep, cool blue from Behr: LRV 17.9, so it reflects about 18 percent of the light that hits it.
Colors that go with Always Indigo
Four Behr colors picked for Always Indigo by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Always Indigo, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Sherwin-Williams | Searching Blue | SW 6536 | 21 | 3.8 | noticeably different |
| Benjamin Moore | In the Twilight | 1434 | 21.8 | 4.5 | noticeably different |
| Valspar | Thundering Clouds | 4005-4B | 18 | 0.4 | indistinguishable |
| PPG Paints | License To Dream | 10-22 | 17 | 1.6 | very close |
Lighter and darker in Behr
The Behr blue colors nearest to Always Indigo (LRV 17.9 (estimated)) by LRV.
Lighter than Always Indigo
Darker than Always Indigo
Color data
| Brand | Behr |
|---|---|
| Color code | ECC-57-3 |
| Hex | #66778C |
| RGB | 102, 119, 140 |
| HSL | 213°, 16%, 47% |
| LRV (light reflectance value) | 17.9 (estimated from the hex) |
| Lab L*, a*, b* | 49.4, -1.2, -13.5 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Always Indigo (Behr ECC-57-3), published as #66778C
#536E8A
#79808C
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Always Indigo (Behr ECC-57-3)?
- Always Indigo has an LRV of 17.9 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Always Indigo is a very deep color.
- What is the closest match to Always Indigo in another brand?
- Thundering Clouds (Valspar 4005-4B) from Valspar, at a deltaE of 0.4 (indistinguishable).
- Is Always Indigo warm or cool?
- Behr lists Always Indigo as cool, with a Cool Blue undertone. Its Lab b* value is -13.5; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.