GREYS

Smokestack

#738388

RGB 115, 131, 136 · HSL 194°, 8%, 49% · CMYK 15, 4, 0, 47

Smokestack is #738388 in HEX — rgb(115, 131, 136), hsl(194°, 8%, 49%), cmyk(15%, 4%, 0%, 47%).

Smokestack pulls into the mid-tone end of the greys spectrum — HSL 194°, 8%, 49%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on walls, soft furniture, hard surfaces — as the project's quiet backbone. Reads best alongside white trim, natural wood, brass, soft black accents.

Color Codes

HEX#738388

RGB115, 131, 136

HSL194°, 8%, 49%

HSV194°, 15%, 53%

CMYK15, 4, 0, 47

Decimal7570312

CSS RGBrgb(115, 131, 136)

CSS HSLhsl(194, 8%, 49%)

Paint Matches — this color across 16 brands

Benjamin Moore

Smokestack 2131-40

Exact match

Valspar

Academy Gray 5001-2A

ΔE 1.3 · #778489

Behr

Stormy Gray BXC-58

ΔE 1.6 · #6E8185

RAL

Squirrel Grey 7000

ΔE 1.6 · #78858B

Dunn-Edwards

Taliesin Blue DEC798

ΔE 2 · #707E84

Sherwin-Williams

Blustery Sky SW9140

ΔE 2.4 · #6F848C

Dulux

Rangitikei River NZ9A9

ΔE 2.6 · #6F7D80

PPG

Garrison Gray 1039-5

ΔE 2.7 · #7B8588

Kilz

December Nights TB-36

ΔE 3 · #7C878E

Farrow & Ball

De Nimes 299

ΔE 3.1 · #6A7C80

IKEA

IKEA184 184

ΔE 3.4 · #788082

Hallman-Lindsay

London Road 527

ΔE 3.8 · #7F878A

Vista Paint

Gothic Grey K-835

ΔE 3.9 · #7E8788

Kobra

Grey 42

ΔE 6.9 · #889099

Dutch Boy

Natural Gray VS-9332

ΔE 7.1 · #878787

Colorhouse

Stone .07 Stone-07

ΔE 7.1 · #848A86

Light Reflectance & Undertone

Light Reflectance Value (LRV)

22/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

Undertone

TemperatureCool MasstoneTeal UndertoneGreen

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

Color Theory

Complementary

#738388

#877873

Analogous

#738782

#738388

#737887

Triadic

#738388

#877382

#828773

Split-Complementary

#738388

#877378

#878273

Tetradic

#738388

#827387

#877873

#788773

Monochromatic

#2D3334

#505A5E

#738388

#9CA7AB

#C5CCCE

Rectangle

#738388

#787387

#877873

#828773

Compound

#738388

#737887

#877873

#878273

Variations

Lighter

#8F9B9F

#ACB4B6

#CFD3D4

Darker

#5C686C

#3F484B

#242A2C

Saturation

#7A7F80

#738287

#39A1C0

Interior Use

Best Rooms

living rooms, bedrooms, bathrooms

Best Uses

walls, soft furniture, hard surfaces

Pairs With

white trim, natural wood, brass, soft black accents

Accessibility (WCAG)

vs White

3.94:1

AA Large

vs Black

5.33:1

Deuteranopia

#738388

#7C7E89

Original → Simulated

Protanopia

#738388

#808087

Original → Simulated

Tritanopia

#738388

#738482

Original → Simulated

Color Psychology

Quiet · Versatile

Smokestack 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

#968F81

Warm Bulb 2700K

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

#738388

Daylight 5500K

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

#8394A5

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.

#855C50

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

Wall area (m²)

Coats

Coverage (m² / L)

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: #738388;

CSS — background

background-color: #738388;

CSS Variable

--color-smokestack: #738388;

Tailwind v3 — config

colors: { 'smokestack': '#738388' }

Tailwind — arbitrary

bg-[#738388] text-[#738388]

SCSS

$smokestack: #738388;

Similar Colors

Smokestack Gray

#728287 · ΔE 0.4

Montpelier

#718087 · ΔE 1.6

Wetherburn's Blue

#6F8486 · ΔE 2.6

Templeton Gray

#778686 · ΔE 3.1

Wolf Gray

#727C83 · ΔE 3.4

Apollo Blue

#768483 · ΔE 3.5

Steep Cliff Gray

#6E7C7D · ΔE 3.6

Blue Echo

#6E888D · ΔE 3.7

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 #738388?

#738388 is Smokestack, a mid-tone grey with a cool undertone.

Is #738388 warm or cool?

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

What rooms work best with Smokestack?

Smokestack works well in living rooms, bedrooms, bathrooms. Designers typically use it for walls, soft furniture, hard surfaces.

What colors pair well with Smokestack?

Smokestack pairs naturally with white trim, natural wood, brass, soft black accents. Its complementary color is also a strong contrast option for accents.

Where can I download Smokestack?

You can download Smokestack 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 Smokestack?

The hex code is #738388. In RGB it's 115, 131, 136, and in HSL it's 194°, 8%, 49%.

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