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St. John Blue

Benjamin Moore · CSP-675

The Analysis

St. John Blue is a muted, mid-toned blue-green that acts as a stabilizing force in a room. With an LRV of 33.02, it absorbs a moderate amount of light, which prevents the space from feeling washed out while keeping the room from feeling overly cavernous.

It functions best as a sophisticated main wall color or a cohesive backdrop for furniture. Because it is neither too dark nor too bright, it anchors a space effectively without overwhelming smaller rooms.

LRV 33

History & Origin

This color leans toward a modern, updated classic. It fits well in contemporary interiors that favor muted, earth-inspired palettes rather than high-contrast, period-specific looks.

Undertonecool
FamilyTeal

How to Use It

It excels in bedrooms or home offices and pairs beautifully with warm oak wood tones or matte black metal accents. Avoid pairing it with high-gloss finishes, as a matte or eggshell sheen will better showcase its complex, dusty undertones.

The Mood

This shade provides a restful and grounded environment, making it an excellent choice for areas where you want to decompress. It feels clean and professional without being sterile, offering a steady, calming presence throughout the day.

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.

  • Jamestown Blue

    Benjamin Moore · HC-148

  • Celestial Cloud 2

    Dulux

  • Jewelled Creek 3

    Dulux

  • MISCHIEVOUS EVENING

    Jotun · 5107

  • Brocade Blue

    Valspar · V105-4

  • Tranquil Aqua

    Sherwin-Williams · SW7611

Lighting

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

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