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Digital NCS representations are approximations and may differ from official samples.

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Daylight light

NCS Code

S 3040-B

Color Name

Cobalt Soft

Family

blue

HEX

#2A68CC

RGB

rgb(42,104,204)

Blackness

30%

Chroma

40%

Whiteness

30%

Bright cobalt blue.

Room Psychology

Atmosphere: Creates an enveloping sense of space that shapes how a room feels from the moment you enter.

Best Rooms: Living rooms, bedrooms, and hallways

Design Tip: Pair with natural materials — linen, wood, stone — to bring out the color's true warmth or coolness.

Mid-depth — creates warmth and intimacy; works beautifully in smaller spaces.

Elevated chromaticness gives this color a distinct personality that draws the eye.

Quick Usage Tips

  • Use as an accent wall or on a single surface for maximum impact.

Neutral Pairings

Soft neutrals that let this color shine while keeping spaces cohesive.

#F5F1ED

#E8E8E4

#F0F3F5

Undertone and finish guidance

Cool undertone with calming visual temperature. For S 3040-B, undertones are typically pronounced at this chromaticness level.

  • Walls: Matte or eggshell to soften glare.
  • Cabinetry/trim: Satin to keep edges crisp.
  • Interior note: Best for bedrooms, studies, and calm social spaces.

What color is S 3040-B?

S 3040-B is a mid-light blue tone in the NCS system that balances visual character with practical flexibility.

This page provides digital values (#2A68CC / rgb(42,104,204)) for planning. Validate final selections with physical NCS samples before specification.

Lighting behavior

  • North-facing rooms can make this shade appear cooler than expected.
  • In low natural light, it stays readable without feeling too heavy.
  • Warm evening light amplifies its chroma, making undertones more visible.

Exterior and pairing guidance

Performs well on shutters and accents; watch overcooling on north facades.

Do pair with

sand-beige textileswhitewashed woodsoft brass accents

Avoid

overly cool LED temperaturesadjacent saturated blues of similar value

Pairing suggestions

These suggestions help keep S 3040-B balanced when combined with materials, metals, and adjacent colors.

sand-beige fabricswhitewashed woodgraphite details

Smart Palette Suggestions

Room-aware palettes generated from Cobalt Soft

Tonal

Harmonious shades from light to dark — creates depth and cohesion

#AAC8F0

#5AAABB

#1A7E8C

#1A4CAA

#2A4870

Powder Blue

Teal Soft

Peacock

Electric Navy

Navy Mid

Complementary

Opposite hues with neutral bridge — balanced contrast and visual interest

#AABFD4

#AAC8F0

#B08020

#D4B832

Dusty Blue

Powder Blue

Mustard

Amber Yellow

Accent

Bolder saturated accents — for statement walls and highlights

#1A7E8C

#5E78AA

#5AAABB

Peacock

Slate Blue

Teal Soft

Where to Buy

Order S 3040-B from trusted paint suppliers

Affiliate links — NCS Home may earn a commission on purchases at no extra cost to you. Always order physical samples before painting.

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