IndustrialSouth-Facing

Sea Serpent

Sherwin-Williams · SW7615

The Analysis

Sea Serpent is a deep, moody blue-grey that absorbs a significant amount of light due to its low LRV of 6.7. Because it is so dark, it will make a room feel more intimate and enclosed rather than spacious or bright.

This shade is best used as a bold accent wall, on cabinetry, or in a dedicated library or media room. It is too heavy for a primary wall color in small rooms unless you are intentionally aiming for a 'jewel box' dramatic effect.

LRV 7

History & Origin

While it draws on the deep, saturated blues common in Victorian studies and libraries, it feels decidedly modern today. It fits current trends favoring high-contrast, moody interiors over traditional light and airy palettes.

Undertoneneutral
FamilyBlue

How to Use It

Pair this with warm wood tones like walnut or teak to keep the room from feeling too cold. Use aged brass hardware for a classic touch, or matte black fixtures for a sharp, contemporary look.

The Mood

This color promotes a sense of grounded stability and restfulness, making it ideal for spaces where you want to disconnect. It feels sophisticated and serious, providing a quiet backdrop that reduces visual clutter.

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.

  • Night View

    Valspar · 4007-4C

  • Blue Note

    Benjamin Moore · 2129-30

  • Club Navy

    Behr · QE-56

  • Hague Blue

    Farrow & Ball · 30

  • New Navy Blue

    Behr · BXC-26

  • Viridian Tide

    Dulux

Lighting

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

  • Natural