Newburyport Blue (BM HC-155)

Illustrative room. Screen colors vary; test a sample before you paint.
Newburyport Blue (BM HC-155) is a very deep, cool blue from Benjamin Moore: LRV 10.3, so it reflects about 10 percent of the light that hits it.
Colors that go with Newburyport Blue
Four Benjamin Moore colors picked for Newburyport Blue by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Benjamin Moore did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Newburyport Blue, 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 | Indigo Batik | SW 7602 | 8 | 2.1 | very close |
| Behr | Harbour | QE-55 | 9.4 | 1.5 | very close |
| Valspar | Moon Shade | 4006-4C | 9 | 1.6 | very close |
| PPG Paints | Admiralty | 1042-7 | 7 | 2.7 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Newburyport Blue (LRV 10.3) by LRV.
Lighter than Newburyport Blue
Darker than Newburyport Blue
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | HC-155 |
| Hex | #465566 |
| RGB | 70, 85, 102 |
| HSL | 212°, 19%, 34% |
| LRV (light reflectance value) | 10.3 |
| Lab L*, a*, b* | 35.5, -1.4, -11.7 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Newburyport Blue (BM HC-155), published as #465566
#334C64
#585E66
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
Comparisons that include Newburyport Blue (BM HC-155)
More from Benjamin Moore
Common questions
- What is the LRV of Newburyport Blue (BM HC-155)?
- Newburyport Blue has an LRV of 10.3. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Newburyport Blue is a very deep color.
- What is the closest match to Newburyport Blue in another brand?
- Harbour (Behr QE-55) from Behr, at a deltaE of 1.5 (very close).
- Is Newburyport Blue warm or cool?
- Benjamin Moore lists Newburyport Blue as cool, with a Cool Blue undertone. Its Lab b* value is -11.7; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: LRV and hex from Benjamin Moore technical data (verified 2026-10-02). 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.