Apollo Blue
CW-645 · #768483 · LRV 24 — cool blue-green tone, dark — high drama, needs strong daylight or warm bulbs.
- 1Salamander6
- 2Hidden Gem14
- 3Apollo Blue24
- 4Van Courtland Blue31
- 5Wythe Blue48
What Color Is Apollo Blue, Really?
Apollo Blue reads as a cool blue-green tone — dark — high drama, needs strong daylight or warm bulbs. The notes below cover how Benjamin Moore CW-645 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Apollo Blue
Apollo Blue works best as a feature — a single wall, built-ins, a study or dining room — rather than wrapping a whole bright space. Teals add character without shouting — good for a vanity, an island or a feature wall.
How Lighting Changes Apollo Blue
With an LRV of 24, Apollo Blue is a deep, dramatic shade. It soaks up light in north-facing rooms and looks richest where strong daylight hits it. Because it carries almost no measurable hue, it stays a true neutral and pairs cleanly with nearly any trim or floor. Warm artificial light softens it; cool LED can make it look flat, so match your bulbs to the mood you want.
Most complaints about Apollo Blue are a light mismatch. Upload a photo of your actual room and see it on your walls — then ask for the same wall in north light or evening lamps before you buy a single sample.
Need It From Another Brand?
Any paint counter can custom-tint Benjamin Moore CW-645 directly. If you would rather stay in one brand's own deck, these are the closest stock matches, measured as ΔE2000. Under 2 is a difference you will not see on the wall.
| Brand | Closest color | ΔE | LRV | |
|---|---|---|---|---|
| Sherwin-Williams | PortsmouthSW 9644 · Sherwin-Williams | 0.6 | 22 | Color page → |
| Behr | Echo ParkMQ6-10 · Behr | 2.0 | 22 | Color page → |
| Valspar | Pacific PalisadesV100-5 · Valspar | 2.1 | 22.4 | Color page → |
| PPG / Glidden | Dwarf SprucePPG1136-6 · PPG / Glidden | 3.5 | 22 | Color page → |
| Glidden | Rough RidePPG1036-5 · Glidden | 1.8 | 23 | Color page → |
| Dutch Boy | Felted Blue430-5DB · Dutch Boy | 2.9 | 23 | Color page → |
Similar Benjamin Moore Colors
The nearest shades to Apollo Blue within Benjamin Moore's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
WCAG 2.1: AA is 4.5 : 1 for normal text, 3 : 1 for large text, AAA is 7 : 1.
Coordinated palette
Generated by hue-rotating #768483 in HSL space. Pair Apollo Blue with one accent and one neutral — the swatches below are starting points, not final picks.
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