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Blue Lagoon

Dulux

The Analysis

Blue Lagoon acts as a mid-tone blue that provides enough depth to define a wall without absorbing all the available light. With an LRV of 43.31, it reflects a moderate amount of light, meaning it prevents the room from feeling cramped while still offering a solid, noticeable color presence.

This is a versatile mid-range tone that functions best as a feature wall or a primary paint choice for a dedicated space like a home office or bedroom. It provides enough character to stand on its own without needing heavy decoration to feel finished.

LRV 43

History & Origin

This shade is decidedly modern and lacks the dusty, muted qualities found in historical or period-specific palettes. It fits perfectly into contemporary renovation projects that aim for a clean, updated look.

Undertonecool
FamilyBlue

How to Use It

This colour pairs beautifully with light oak or white-washed wood floors and matte black hardware for a sharp, modern contrast. It performs best in bathrooms or bedrooms where you want a crisp, refreshed atmosphere.

The Mood

Living with this shade is generally restful and steady, as it leans away from overly intense primary blues. It creates a calm, clean environment that reduces visual clutter, making it an excellent choice for areas where you want to decompress.

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.

  • Bayou

    Behr · 570B-4

  • Bluebird

    Behr · PPU15-12

  • Blue Magpie

    Valspar · V072-4

  • Blue Seduction 3

    Dulux

  • Blue Babe

    Dulux

  • Wild Blue Yonder

    Valspar · 8001-44D

Lighting

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

  • Natural
  • Morning
  • Afternoon
  • Evening
  • Overcast
  • 2700K
  • 3500K
  • 4000K
  • 5500K