Demon Blue
Valspar · V037-3
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The Analysis
Demon Blue is a deep, saturated shade that absorbs a significant amount of light due to its low Light Reflectance Value (LRV) of 9.6. Because it reflects so little light, it will make a room feel smaller and more enclosed, which is perfect for creating a cozy, high-contrast environment.
This is a bold, high-impact color that works best as an accent wall, in a dedicated media room, or for cabinetry. It acts as a dramatic backdrop rather than a neutral, so avoid painting an entire small room in it unless you want a 'jewel box' effect.
LRV 10History & Origin
This is a distinctly modern choice that leans into contemporary design trends. It lacks the dusty, muted qualities of period colors and instead offers a crisp, synthetic sharpness common in current interior styling.
How to Use It
Pair this blue with warm wood tones like walnut or light oak to balance the coolness of the pigment. Use matte black hardware for a seamless, moody look or unlacquered brass to create a sharp, high-contrast highlight.
The Mood
Living with a color this dark creates a grounded, restful atmosphere. It lacks the 'buzz' of brighter tones, making it an excellent choice for spaces where you want to feel tucked away and focused rather than energized.
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