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IndustrialSouth-Facing

Royal Regatta 4

Dulux

The Analysis

Royal Regatta 4 is a saturated, mid-tone blue that pulls a room inward, making large spaces feel more intimate and grounded. Because of its relatively low Light Reflectance Value (LRV 22.01), it absorbs a significant amount of light rather than bouncing it around, which makes it feel cozy rather than airy or expansive.

This is a bold, pigmented choice that works best as a feature wall or a deliberate accent rather than a whole-room colour. If you apply it to every wall, be prepared for a dramatic, immersive environment that commands attention.

LRV 22

History & Origin

While deep blues have long been used in traditional interiors to add depth, this specific tone feels distinctly modern and clean. It avoids the dusty or muted qualities found in vintage palettes, opting instead for a crisp, contemporary finish.

Undertonecool
FamilyBlue

How to Use It

Use this in studies, dens, or bedrooms to create a refined mood. It pairs exceptionally well with warm wood tones like walnut to soften the coolness of the blue, or matte black hardware for a sharp, industrial-leaning edge.

The Mood

This shade promotes a sense of focus and calm, making it an excellent choice for areas where you want to signal that it’s time to settle down. It feels structured and dependable, providing a clean, non-distracting backdrop for daily life.

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.

  • Warm Spring

    Behr · 560B-6

  • Boat House

    Behr · P520-5

  • Blue Seduction 1

    Dulux

  • Pat-a-Pep

    Valspar · PAT-A

  • Someday

    Valspar · 4006-10B

  • Picasso

    Valspar · 8001-44E

Lighting

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

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