Swatchd
Sign inGet started
Mid-Century ModernSouth-Facing

Blue Grotto

Benjamin Moore · CC-964

The Analysis

Blue Grotto is a deep, saturated navy that absorbs significant amounts of light due to its very low LRV of 4.58. Because it reflects so little light, it will make a room feel smaller and more intimate rather than bright or airy.

It is best used as a bold accent wall, for cabinetry, or for 'drenching' a small space like a powder room or study. Avoid using it on all walls in a small room without windows, as it can feel cavernous.

LRV 5

History & Origin

While deep blues are found in traditional studies and libraries, this specific shade is distinctly modern. Its crisp, saturated intensity fits best in contemporary renovations rather than historical or period-accurate restorations.

Undertonecool-purple
FamilyPurple

How to Use It

Pair this with warm wood tones like walnut or light oak to balance the coolness, and use brass or brushed gold hardware to create a high-contrast, luxury look. Ensure you have layered lighting, such as lamps and sconces, to prevent the room from feeling like a dark void at night.

The Mood

This color provides a sense of enclosure and calm, making it an excellent choice for areas where you want to focus or unwind. It feels grounded and sophisticated, avoiding the chaotic energy of lighter, more vibrant shades.

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.

  • Admiral Blue

    Benjamin Moore · 2065-10

  • Martian Skies 1

    Dulux

  • Purple Infusion 1

    Dulux

  • Regal Purple

    Dulux

  • Valiant Violet

    Sherwin-Williams · SW6818

  • Midnight Navy

    Benjamin Moore · 2067-10

Lighting

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

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