CoastalUniversal

Tranquil Blue

Benjamin Moore · 2051-50

The Analysis

Tranquil Blue is a mid-tone aqua that sits comfortably between blue and green. With an LRV of 48.91, it reflects enough light to keep a space from feeling cave-like, but it has enough pigment to provide solid coverage without washing out.

It functions best as a primary wall colour in living spaces or bedrooms. Because it is saturated enough to hold its own, it serves as a strong anchor for the room rather than fading into the background.

LRV 49

History & Origin

This is a distinctly modern shade that leans into the 20th-century revival of soft, spa-like palettes. It lacks the heavy, moody undertones of period-specific historic blues, making it a fresh choice for contemporary homes.

Undertonecool
FamilyGreen

How to Use It

It pairs exceptionally well with warm, light oak woods and matte black hardware for contrast. Use it in bathrooms or home offices, and avoid pairing it with overly yellow-toned woods, which may make the colour look muddy.

The Mood

This shade provides a balanced, restful environment that avoids the clinical feeling of pure white or the intensity of primary blue. Living with it daily promotes a sense of focus and calm, making it an excellent choice for areas where you want to unwind.

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.

  • PIRAT

    Jotun · 5306

  • Chesapeake Blue

    Benjamin Moore · CW-595

  • Velvet Morning

    Behr · 520E-3

  • Blithe Blue

    Sherwin-Williams · SW9052

  • Inky Pool 4

    Dulux

  • Cosmic Blue

    Behr · MQ6-32

Lighting

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

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