Charcoal Blue
Sherwin-Williams · SW2739
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The Analysis
Charcoal Blue is a deeply saturated, muted tone that absorbs a significant amount of light due to its low LRV of 5.71. Rather than brightening a room, it creates a cozy, enclosed atmosphere that makes large spaces feel more intimate and grounded.
This is a bold choice best used as a high-impact accent wall, a moody statement for cabinetry, or a dedicated media room. Avoid painting an entire small room this colour unless you want to intentionally shrink the visual space.
LRV 6History & Origin
While modern in its intensity, this shade bridges the gap between classic naval-inspired palettes and contemporary design. It functions as a modern evolution of the dark, formal studies found in mid-20th-century interiors.
How to Use It
Pair this with warm wood tones or brushed brass hardware to balance the cool undertones of the paint. It works exceptionally well in well-lit rooms where the light can reveal its complex blue depth rather than just appearing like a flat black.
The Mood
Living with this colour feels sophisticated and restful. Because it leans heavily into blue-grey tones, it provides a stable, calming background that avoids the harshness of true black.
Colour harmonies
Complementary
Opposite on the colour wheel — bold, high-contrast pairings. Use for a feature wall or furniture you want to command attention.
Analogous
Neighbouring hues — cohesive and calm, great for layered schemes that feel collected rather than matched.
Split complementary
Near-opposites for strong contrast with a little less tension than a pure complement. A favourite of interior designers.
Triadic
Three evenly spaced hues — balanced, vibrant, and versatile. Keep one dominant and use the others sparingly.
Tetradic (square)
Four hues in a square on the wheel — rich, dynamic palettes. Best when one colour leads and the others accent.
Monochromatic
Dark, mid, and light steps on the same hue — a failsafe gradient for trim, walls, and accents without shifting colour family.
Add harmony palette to a room
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Brand Matches
Perceptually similar colours from across all brands in our database.
Lighting
See how this colour shifts across natural and artificial light conditions.
- Natural