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

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Daylight light

NCS Code

S 4030-B

Color Name

Dark Denim

Family

blue

HEX

#3A5E8C

RGB

rgb(58,94,140)

Blackness

40%

Chroma

30%

Whiteness

30%

Rich dark denim.

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 4030-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 4030-B?

S 4030-B is a mid-depth blue tone in the NCS system that balances visual character with practical flexibility.

This page provides digital values (#3A5E8C / rgb(58,94,140)) 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 reads deeper and more dramatic.
  • 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 4030-B balanced when combined with materials, metals, and adjacent colors.

sand-beige fabricswhitewashed woodgraphite details

Smart Palette Suggestions

Room-aware palettes generated from Dark Denim

Tonal

Harmonious shades from light to dark — creates depth and cohesion

#5AAABB

#4E78AA

#2A6E7C

#2A4870

#1A3256

Teal Soft

Medium Blue

Deep Teal

Navy Mid

Deep Navy

Complementary

Opposite hues with neutral bridge — balanced contrast and visual interest

#3A548A

#D4DDE8

#A06A3A

#C48A5A

Navy Blue

Pale Blue

Oak Brown

Warm Brown

Accent

Bolder saturated accents — for statement walls and highlights

#1A4CAA

#2A6E7C

#3A548A

#2A68CC

Electric Navy

Deep Teal

Navy Blue

Cobalt Soft

Where to Buy

Order S 4030-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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