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Benjamin Moore 2129-30 / Color character

Blue Note Undertones: What to Compare Beside Your Finishes

Blue Note is a deep navy tempered by dark gray. A physical comparison is needed to decide how that character works with your own finishes.

Color guide · Updated September 23, 2026

Living room with layered natural materials and soft window light

Start with the documented color character

Blue Note is a deep navy tempered by dark gray. A physical comparison is needed to decide how that character works with your own finishes. Blue Note combines navy with dark gray, offering a more gray-influenced deep-blue brief than a clear saturated blue.

Why the cognac leather and white shelves relationship matters

White shelves define the dark wall, while cognac leather contributes warmth without needing another large colored surface.

Blue Note has an LRV of 9.02; Benjamin Moore Hale Navy HC-154 is 8.36. The difference is 0.66 points, with Blue Note returning more light under the reference measurement. Hale Navy is a deep navy with a low reflectance value. This supplies a named color control; the LRV gap alone does not identify the warmer, greener or pinker paint.

Use Hale Navy as a control

Give Blue Note enough illuminated area to reveal its color, then move the same board into the normal shadow. Compare it briefly with Hale Navy. Decide whether the hue is important everywhere or whether a near-black impression is acceptable in the darker parts of the planned surface.

Separate a persistent cast from a comparison effect

Compare it with a clearer blue in the same room light before choosing the desired amount of gray. The warm-versus-cool comparison covers that related choice.

Keep, compare or change direction

If the unwanted cast remains beside a permanent finish under normal light, that is a practical reason to replace Blue Note. If it appears only beside an unused sample, remove the comparison and assess the intended palette alone. Before ordering samples, compare room-planning features in the paint color visualizer roundup.

Sources & notes

Color specifications: Benjamin Moore Blue Note 2129-30. The recorded LRV is 9.02. Named comparison values come from the respective manufacturers; material schemes are editorial suggestions.

This guide reviews published color information and proposes practical sample checks. It does not claim first-hand paint testing or customer-review scores. Benjamin Moore does not sponsor or endorse this site. Product names and trademarks belong to their respective owners. Confirm the color in a physical sample and select the coating for the actual surface and finish.