IndustrialSouth-Facing

Blue Coal

Valspar · 4011-3

The Analysis

Blue Coal is an extremely dark, near-black navy that absorbs almost all light. Because of its very low LRV of 3.09, it will make a room feel much smaller and more enclosed, which creates an intimate or "cocooning" effect.

This is a bold, high-impact shade that functions best as an accent wall, a dramatic cabinet finish, or a full-room treatment in a library or bedroom. Avoid using it in small, windowless rooms unless you intend to lean into the dark, moody aesthetic.

LRV 3

History & Origin

This is a modern, contemporary choice that departs from traditional soft palettes. It aligns with the current trend of using "ink" tones to create depth rather than the classic bright whites found in period homes.

Undertonecool
FamilyBlue

How to Use It

Pair this with warm wood tones like walnut or teak to soften the intensity, and use brass or brushed gold hardware to create a high-contrast, luxury look. Ensure you have high-quality, layered lighting—like floor lamps and dimmable sconces—to prevent the room from feeling like a black hole at night.

The Mood

This color promotes a sense of stillness and focus. It feels grounding and authoritative, making it a great choice for spaces where you want to eliminate visual distractions and settle in for the evening.

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.

  • Black Opal

    Dulux

  • Slow Swing

    Dulux

  • Anchors Aweigh

    Sherwin-Williams · SW9179

  • Old Navy

    Benjamin Moore · 2063-10

  • Dock Blue

    Little Greene · 6154

  • Deep Royal

    Benjamin Moore · 2061-10

Lighting

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

  • Natural