IndustrialSouth-Facing

Night Seas

Dulux

The Analysis

Night Seas is a deep, muted blue-grey that absorbs significant light due to its low LRV of 7.91. Because it reflects very little light, it will shrink the visual boundaries of a room, creating an intimate, cocoon-like atmosphere rather than an expansive one.

This is best utilized as a dramatic accent wall or for high-impact spaces like a library, home office, or primary bedroom. If you paint an entire room in this shade, expect it to feel moody and enclosed—use it intentionally to define a space rather than as a neutral backdrop.

LRV 8

History & Origin

This shade leans modern, though its dark, ink-like quality draws inspiration from traditional Regency-era studies. It avoids the dated look of bright primary blues, opting instead for a sophisticated, contemporary depth.

Undertonecool
FamilyBlue

How to Use It

Pair this with warm walnut wood tones or unlacquered brass to balance the cool temperature of the blue. Matte black hardware or fixtures will disappear into the wall for a sleek look, while crisp white trim will create a high-contrast, structured frame.

The Mood

Living with this colour feels grounding and remarkably restful. It is not an energizing shade; instead, its heavy saturation helps a room feel quiet, stable, and shielded from the outside world.

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.

  • Midnight Mosaic

    Behr · HDC-SM14-7

  • Inked

    Behr · M510-7

  • Hudson Bay

    Benjamin Moore · CC-810

  • Velvet Rope

    Behr · MQ5-58

  • Indigo Batik

    Sherwin-Williams · SW7602

  • Mountain River

    Valspar · 4005-6C

Lighting

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

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