Swatchd
Sign inGet started
MinimalistSouth-Facing

Celestial Blue 5

Dulux

The Analysis

Celestial Blue 5 is a mid-tone blue that pulls back from the walls, making a room feel more spacious rather than boxed in. Because it has an LRV (Light Reflectance Value) of 27.62, it absorbs a significant amount of light, creating a moody, grounded atmosphere rather than a bright, airy one.

This is a versatile color that functions best as a statement wall or a high-impact room color, such as in a study or bedroom. It acts as a strong backdrop that makes furniture and artwork stand out without disappearing into the background.

LRV 28

History & Origin

This color leans into a modern, refined aesthetic rather than a traditional period look. It avoids the dusty pastels of Victorian palettes, instead offering a crisp, contemporary feel that fits well in current architectural styles.

Undertonecool
FamilyTeal

How to Use It

Use this in rooms with plenty of natural light, as the medium-low LRV can make dim spaces feel cave-like. Pair it with warm, light oak wood tones to soften the blue, or use matte black hardware to emphasize its sharp, modern edge.

The Mood

This shade promotes a sense of focus and calm, making it a reliable choice for areas where you want to wind down. It feels structured and clean, avoiding the cluttered or chaotic look that can sometimes come with more vibrant, saturated hues.

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.

  • Poolside

    Benjamin Moore · 775

  • Jacaranda

    Sherwin-Williams · SW6802

  • Rushing Rapids

    Valspar · 5001-8A

  • St Giles Blue

    Farrow & Ball · 280

  • Jet Ski

    Behr · M490-5

  • Gulf Stream Blue

    Valspar · V071-1

Lighting

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

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