Mineral Gray

SW 2740 · Sherwin-Williams

Mineral Gray SW 2740 as a flat swatch, not a painted room

Sherwin-Williams

Mineral Gray

SW 2740

Hex code

#515763

Light reflectance value (LRV)

9.4Very dark, close to black on a wall

0 black100 white

Undertone

Subtle blue, a cool color

Color family: Blue
Sold for: Interior and exterior

Try it on your walls Get a sample

Sherwin-Williams Mineral Gray SW 2740 is a very dark blue paint color with a subtle blue undertone and an LRV of 9, close to black on a wall.

Updated August 22, 2026

Is Mineral Gray warm or cool? Undertones by the numbers

leans blue

Undertone

Subtle blue

graysaturated

A gentle lean, quiet on the wall.

Try Mineral Gray on your own walls

Upload a photo of your room, or the outside of your house, and TryMyHome renders Mineral Gray onto the walls so you can judge it in your light, with your floors and furniture. Your first five renders are free.

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Get a sample before you paint

Use the visualizer to narrow your shortlist, then confirm the finalist on your actual wall. A peel-and-stick sample of Mineral Gray, checked in morning and evening light, is the last step before a gallon.