Paint · Benjamin Moore · Grays

Benjamin Moore Apollo Blue

CW-645 · #778584 · LRV 22.4

Compare with other brands: Sherwin-Williams Portsmouth is a 99% match

Apollo Blue (CW-645) is a dark cool gray from Benjamin Moore with a subtle blue-green undertone. Its LRV is about 22.4 (dark): it absorbs more light than it reflects. best in well-lit rooms, on accent walls, or on cabinetry. The closest match in another brand is Sherwin-Williams Portsmouth (99% match).

Compare Apollo Blue 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

22.4 · Dark

Undertone

Blue-green · subtle

Temperature

Cool

Code

CW-645

HEX

#778584

RGB

119, 133, 132

HSL

176°, 6%, 49%

Family

Grays

Colors similar to Apollo Blue in Benjamin Moore

Neighboring tones from the same fan deck, if you want a shade lighter, darker, warmer, or cooler.

Apollo Blue FAQ

What undertone does Apollo Blue have?

Apollo Blue is a dark cool gray with a subtle 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 Apollo Blue?

Apollo Blue has an LRV (Light Reflectance Value) of about 22.4 on a 0–100 scale, which is dark. It absorbs more light than it reflects. Best in well-lit rooms, on accent walls, or on cabinetry.

What is the closest match to Apollo Blue in other brands?

Sherwin-Williams: Portsmouth (SW 9644), 99%; Dunn-Edwards: Shadow Effect (DET597), 97%; Glidden: Rough Ride (PPG1036-5), 97%; PPG: Rough Ride (PPG1036-5), 97%; Behr: Juniper Ash (PPU12-16), 96%; Valspar: Pacific Palisades (V100-5), 95%; Farrow & Ball: De Nimes (No. 299), 95%; HGTV Home by Sherwin-Williams: Software (HGSW7074), 92%. 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 Apollo Blue?

The HEX code of Apollo Blue (CW-645) is #778584, RGB 119, 133, 132. Use it for digital mockups; painted color will vary with light and sheen.