NEUTRALS

Cannon Barrel

#3C4142

RGB 60, 65, 66 · HSL 190°, 5%, 25% · CMYK 9, 2, 0, 74

Cannon Barrel is #3C4142 in HEX — rgb(60, 65, 66), hsl(190°, 5%, 25%), cmyk(9%, 2%, 0%, 74%).

Cannon Barrel pulls into the deep end of the neutrals spectrum — HSL 190°, 5%, 25%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on main walls, trims, ceilings — versatile across nearly any style. Reads best alongside soft whites, natural wood, matte black trim, linen.

Color Codes

HEX#3C4142
RGB60, 65, 66
HSL190°, 5%, 25%
HSV190°, 9%, 26%
CMYK9, 2, 0, 74
Decimal3948866
CSS RGBrgb(60, 65, 66)
CSS HSLhsl(190, 5%, 25%)

Paint Matches — this color across 16 brands

Vista Paint

Moonless Sky K-848

ΔE 1 · #3A4040

Benjamin Moore

Black 2125-10

ΔE 1.3 · #3E4041

Hallman-Lindsay

Dark River 494

ΔE 1.3 · #3E4445

Dulux

Domino SG6G8

ΔE 1.7 · #3C3E3F

Dunn-Edwards

Dark Engine DE6350

ΔE 1.9 · #3E3F41

Behr

Totally Black HDC-MD-04

ΔE 1.9 · #3E3F41

Colorhouse

Metal .06 Metal-06

ΔE 2.2 · #3F4647

Valspar

Nocturnal Green 5011-1

ΔE 2.2 · #414647

Kilz

Typewriter TB-70

ΔE 2.4 · #424648

PPG

Black Magic 1001-7

ΔE 2.7 · #414040

Farrow & Ball

Off-Black 57

ΔE 2.7 · #444546

RAL

Black Green 6012

ΔE 2.8 · #343E40

Sherwin-Williams

Iron Ore SW7069

ΔE 3.1 · #434341

Kobra

Black 44

ΔE 4.8 · #383737

IKEA

IKEA152 152

ΔE 6 · #494F50

Dutch Boy

Seal of Grey VS-9301

ΔE 10.1 · #575757

Light Reflectance & Undertone

Light Reflectance Value (LRV)

5/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

Undertone

TemperatureNeutral MasstoneTeal UndertoneGreen

A near-neutral with a subtle neutral green undertone — it will pick up colour from surrounding surfaces and shift noticeably under different light.

Color Theory

Complementary

#3C4142
#433E3D

Analogous

#3D4341
#3C4142
#3D3F43

Triadic

#3C4142
#433D42
#42433D

Split-Complementary

#3C4142
#433D3F
#43413D

Tetradic

#3C4142
#413D43
#433E3D
#3F433D

Monochromatic

#0C0D0D
#181A1B
#3C4142
#61696B
#879092

Rectangle

#3C4142
#3E3D43
#433E3D
#42433D

Compound

#3C4142
#3D3F43
#433E3D
#43413D

Variations

Lighter

#61696B
#879091
#BABEBE

Darker

#303536
#212425
#131516

Saturation

#3F4041
#3D4243
#1E5661

Interior Use

Best Rooms

living rooms, bedrooms, kitchens

Best Uses

main walls, trim, accents

Pairs With

soft whites, natural wood, brass, matte black trim

Accessibility (WCAG)

Aa

vs White

10.36:1

AAA

Aa

vs Black

2.03:1

Fail

Deuteranopia

#3C4142
#3F3F42

Original → Simulated

Protanopia

#3C4142
#404042

Original → Simulated

Tritanopia

#3C4142
#3C4141

Original → Simulated

Color Psychology

Quiet · Versatile

Cannon Barrel gets out of the way so the architecture and the people in the room do the work. The right neutral is never a default — it reads warm or cool, dusty or sharp depending on its undertone, and that undertone is what makes or breaks the room.

SymbolismBalance, sophistication, calm
PersonalityAdaptable, considered, timeless
versatileneutraltimelessbackdroptrimwall

How it looks under different light

#6C5D4D

Warm Bulb 2700K

Incandescent / soft white LED — pulls colour toward yellow/amber.

#3C4142

Daylight 5500K

Midday natural light or daylight-spec LED — closest to the paint chip.

#5A6271

Cool Bulb 6500K

Cool white LED / overcast daylight — pulls colour toward blue.

Pairs With

#EAEBEB

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F7F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#442D29

Accent

Complementary punch

Hue +180°, slightly muted for paint vs. screen — use on a door, frame, or single piece.

#574738

Floor

Walnut neutral

Warm mid-brown grounds the scheme regardless of hero hue.

Paint Info

Brand · Product Line

Benjamin Moore / Regal Select Interior

Recommended Finishes

Eggshell (walls) · Pearl (trim) · Matte (ceiling)

Eggshell hides imperfections on main walls while keeping the color rich; pearl on trim adds subtle sheen and easier cleaning; flat matte on ceilings prevents glare.

Best Surfaces

Primary walls · Cabinetry · Doors · Mouldings

Coverage & Dry Time

Typical coverage 350-400 sq ft per gallon over a primed surface.

Touch-dry in ~1 hour. Recoat after 4 hours. Full cure 7-14 days.

Primer

Standard primer is adequate.

Application Tip

Use a 9" microfiber roller on walls and a 2.5" angled sash brush for trim cuts. Two coats minimum for even depth.

Paint Calculator

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

Code Snippets

CSS — color 
color: #3C4142;
CSS — background 
background-color: #3C4142;
CSS Variable 
--color-cannon-barrel: #3C4142;
Tailwind v3 — config 
colors: { 'cannon-barrel': '#3C4142' }
Tailwind — arbitrary 
bg-[#3C4142] text-[#3C4142]
SCSS 
$cannon-barrel: #3C4142;

Similar Colors

Black Panther

#3D3F40 · ΔE 1.4

Notre Dame

#404343 · ΔE 1.5

Midnight

#373D3F · ΔE 2.0

Blacktop

#393D3C · ΔE 2.2

Regent Green

#364042 · ΔE 2.3

Black Iron

#3A3C3E · ΔE 2.4

Black Jack

#3D3D3E · ΔE 2.6

Graphite

#444647 · ΔE 2.8
Built by DSGN.HOUSE Updated 2026

Our color tools run on our own catalogue of 26,000+ real paint colors across 16 brands — Benjamin Moore, Sherwin-Williams, Behr, Dulux, RAL and more — with the color math (HSL and CIELAB matching) computed in-house, not scraped from summaries. Every color you pick maps to a real, buyable paint with its code, so what you see here you can actually take to the store. We review and update these tools and their data regularly.

Created by Denis Kataev, founder of DSGN.HOUSE — a software engineer and digital entrepreneur building professional color-design tools for everyone.

Frequently Asked Questions

What color is #3C4142?

#3C4142 is Cannon Barrel, a deep neutral with a cool undertone.

Is #3C4142 warm or cool?

Cannon Barrel reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Cannon Barrel?

Cannon Barrel works well in living rooms, bedrooms, kitchens. Designers typically use it for main walls, trim, accents.

What colors pair well with Cannon Barrel?

Cannon Barrel pairs naturally with soft whites, natural wood, brass, matte black trim. Its complementary color is also a strong contrast option for accents.

Where can I download Cannon Barrel?

You can download Cannon Barrel on DSGN.HOUSE in 15 designer formats including CSS gradient, Figma, Procreate swatches, Tailwind config, Adobe ASE, SVG, and 4K wallpapers — all free.

What's the hex code for Cannon Barrel?

The hex code is #3C4142. In RGB it's 60, 65, 66, and in HSL it's 190°, 5%, 25%.

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