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Mid-Century ModernSouth-Facing

Celestial Blue 2

Dulux

The Analysis

Celestial Blue 2 is a deep, saturated teal-leaning blue with a low Light Reflectance Value (LRV) of 12.29. Because it absorbs significant light rather than reflecting it, the room will feel intimate and grounded, making large spaces feel cozy rather than expansive.

This is a high-impact colour best used as a bold accent wall or for complete room immersion in areas like a study or bedroom. Using it on all four walls creates a seamless, enveloping effect, while using it on just one wall serves as a strong focal point.

LRV 12

History & Origin

This shade leans modern and contemporary rather than historical. It lacks the chalky, dusty quality of traditional heritage pigments, offering a crisp, clean finish that suits modern architecture perfectly.

Undertonecool
FamilyTeal

How to Use It

Pair this with warm wood tones like walnut or teak to balance the cool blue, or use matte black hardware for a high-contrast, sharp look. It performs best in well-lit rooms where there is enough ambient light to reveal the richness of the blue pigment.

The Mood

Living with this colour creates a composed, stable environment that feels purposeful and calm. It is less about 'bright' energy and more about providing a steady, reliable backdrop for daily focus and relaxation.

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.

  • Deep Ocean

    Benjamin Moore · 2058-30

  • Journey Into Night

    Valspar · V032-3

  • Liberty Blue 1

    Dulux

  • Amazing Sky

    Valspar · V030-3

  • Deep Universe

    Valspar · 8002-42F

  • Moon Shadow

    Little Greene · 6154

Lighting

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

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