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Mid-Century ModernSouth-Facing

Deep Blue Sea

Behr · 540D-7

The Analysis

Deep Blue Sea is a highly saturated, dark tone that absorbs significant light due to its low LRV of 9.26. It will make a room feel physically smaller and more intimate, acting as a dramatic anchor that pulls the walls inward.

This is a statement color best suited for high-impact accents, such as a feature wall, cabinetry, or a dedicated library space. Avoid using it as a primary wall color in small, windowless rooms unless you specifically want to embrace a 'jewel box' enclosed effect.

LRV 9

History & Origin

While deep blues are a staple in historic library designs, this specific shade feels modern and refined. It leans away from traditional period styles and functions best in contemporary or transitional interiors.

Undertonecool
FamilyTeal

How to Use It

Pair this color with warm wood tones like walnut or teak to soften the coolness, or use matte black hardware for a sharp, monochromatic look. It performs best in spaces with ample natural light or focused artificial task lighting to prevent the color from appearing flat or muddy.

The Mood

This color promotes a sense of focus and calm, making it excellent for environments where you want to eliminate visual clutter. Because it is deep and moody, it creates a stable, grounded atmosphere that feels professional and composed rather than stimulating.

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.

Brand Matches

Perceptually similar colours from across all brands in our database.

  • Connor's Lakefront

    Sherwin-Williams · SW9060

  • Deep Atlantic

    Valspar · 8002-40G

  • Holiday Velvet

    Valspar · 1-877

  • Bosporus

    Sherwin-Williams · SW6503

  • Jester Blue

    Valspar · 8002-41F

  • Blue Jay Crest

    Valspar · V068-2

Lighting

See how this colour shifts across natural and artificial light conditions.

  • Natural
  • Morning
  • Afternoon
  • Evening
  • Overcast
  • 2700K
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