Start with the documented color character
Blue Note is a deep navy tempered by dark gray. Temperature is a useful description, but neighboring materials can change the impression. 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
Temperature is easier to assess when Blue Note has enough light to show its hue. Check a lit panel beside the actual metal or wood, then inspect the shaded section. A very dark surface may function mainly as an outline even when its published color description has a distinct temperature.
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 undertones and neighboring colors covers that related choice.
Keep, compare or change direction
Judge the temperature description against the full cognac leather and white shelves arrangement. A warm or cool label is a useful starting category; it cannot guarantee that Blue Note agrees with every material assigned the same label. The wood-floor pairing guide covers that related choice. 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.

