Benjamin Moore

St. John Blue

CSP-675

St. John Blue is a mid-depth blue with cool green undertones that give it a slightly aquatic lean rather than a primary blue reading. At an LRV of 33.99, it sits in the medium-low reflectance range and will darken noticeably in rooms with limited natural light.

The green cast becomes more visible in daylight and less apparent under incandescent sources. It works on walls where a definite color presence is needed without full saturation. Benjamin Moore Chantilly Lace and Stonington Gray provide clean trim pairings, Hale Navy adds tonal depth, and Ocean Air or Wythe Blue support analogous transitions.

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Brand

Benjamin Moore

Code

CSP-675

Collection

Color Stories

St. John Blue in Different Light

Light temperature is measured in Kelvin: a warm 2700K bulb pulls colors toward yellow, while 5000K daylight reads cooler and truer. Check the color at the time of day you actually use the room.

Artificial Lighting

Bedroom scene to simulate Benjamin Moore St. John Blue under artificial light

Light Temperature: 2700K

Natural Lighting

Living room scene to simulate Benjamin Moore St. John Blue under natural light

Light Temperature: 4500K

Technical Specifications

Undertones

Type

Cyan/Teal

Strength

Medium

Temperature

cool

Hue Angle

190°

Cyan Family

Lightness

58%

Medium

Saturation

17%

Muted

LRV

34.0

0%100%

Very Dark

Dark

Medium

Light

Very Light

White

LRV measures how much light a color reflects, from 0 (black) to 100 (pure white). Below about 50 a color needs good lighting to avoid going flat, 60 and up helps brighten a room, and most whites sit above 80.

Color Position

Saturation →

Lightness →

Color Codes

HEX

#82A1A7

RGB Decimal

130, 161, 167

RGB Percent

51.0%, 63.1%, 65.5%

HSL

189.7, 17.4%, 58.2%

HSV

189.7, 22.2%, 65.5%

CMYK

22.2%, 3.6%, 0.0%, 34.5%

YIQ

152.4, -20.4, -4.7

XYZ

28.93, 33.03, 41.41

CIE Lab

64.18, -9.29, -6.66

CIE Luv

64.18, -16.21, -8.37

Hunter Lab

57.47, -7.89, -6.10

Decimal

8561063

Coordinating Colors and Color Palettes

Darker Shades

Monochromatic dark

St. John Blue Blue Echo Oarsman Blue Coppice Blue

Lighter Shades

Monochromatic light

St. John Blue Bleu Clair Adorbs Summer Shower

Complementary

Opposite on color wheel

St. John Blue Sulking Room Pink Chinchilla Desert Rose

Analogous

Adjacent colors

St. John Blue Flower Box Donnegal Spring Purple

Cool Shades

Cool spectrum

St. John Blue Flower Box Macaw Spring Purple

Closest Paint Matches

Cross-brand matches are close, never exact. Each brand uses different bases and sheens, so sample before you buy gallons.

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Glidden

Serene Stream

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Behr

Schooner

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Blue Nuthatch

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Venus Teal

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Dolphin Blue

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Glidden

Symphony Of Blue