BLUES

Smokey Blue

#647B84

RGB 100, 123, 132 · HSL 197°, 14%, 45% · CMYK 24, 7, 0, 48

Smokey Blue is #647B84 in HEX — rgb(100, 123, 132), hsl(197°, 14%, 45%), cmyk(24%, 7%, 0%, 48%).

Smokey Blue pulls into the mid-tone end of the blues spectrum — HSL 197°, 14%, 45%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, home offices — for calm, focused environments. Reads best alongside warm white trim, oak or walnut, brass or matte black hardware.

Color Codes

HEX#647B84

RGB100, 123, 132

HSL197°, 14%, 45%

HSV197°, 24%, 52%

CMYK24, 7, 0, 48

Decimal6585220

CSS RGBrgb(100, 123, 132)

CSS HSLhsl(197, 14%, 45%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Labradorite SW7619

ΔE 0.7 · #657B83

PPG

Sorcerer's Spell 10-02

ΔE 1 · #657D85

Benjamin Moore

Hamilton HC-191

ΔE 1.6 · #607780

Dulux

Love Pat SG5D5

ΔE 2.2 · #5F7B82

Behr

Liquid Mercury N510-5

ΔE 2.4 · #657F8B

Hallman-Lindsay

Winter Harbor historic-winter-harbor

ΔE 3.2 · #5E737D

Farrow & Ball

De Nimes 299

ΔE 3.4 · #6A7C80

Valspar

Magnet Dapple 4007-4A

ΔE 3.5 · #6C7A85

Vista Paint

Winter Harbor C-1368

ΔE 3.8 · #5F727D

Dunn-Edwards

Long Lake DE6334

ΔE 3.9 · #68757E

IKEA

IKEA154 154

ΔE 4.3 · #667480

Kilz

Classic Movie RM120

ΔE 4.8 · #6B7A7C

RAL

Squirrel Grey 7000

ΔE 6 · #78858B

Colorhouse

Wool .05 Wool-05

ΔE 7.3 · #587675

Dutch Boy

Ocean Blue D-6743

ΔE 7.6 · #4C6A74

Kobra

Grey 42

ΔE 10.8 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

19/100

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 MasstoneBlue UndertoneViolet

Reads as a cool blue with a violet undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#647B84

#836C63

Analogous

#63837C

#647B84

#636A83

Triadic

#647B84

#83637A

#7A8363

Split-Complementary

#647B84

#83636A

#837C63

Tetradic

#647B84

#7C6383

#836C63

#6A8363

Monochromatic

#21292C

#425157

#647B84

#8B9FA7

#B6C3C8

Rectangle

#647B84

#6C6383

#836C63

#7A8363

Compound

#647B84

#636A83

#836C63

#837C63

Variations

Lighter

#7F969F

#A1AFB5

#C9D0D3

Darker

#4E6269

#354349

#1F272B

Saturation

#6E7578

#637A83

#318FB4

Interior Use

Best Rooms

bedrooms, bathrooms, home offices

Best Uses

main walls, ceilings, trim, cabinetry

Pairs With

warm white trim, oak or walnut, brass or matte black hardware

Accessibility (WCAG)

vs White

4.46:1

AA Large

vs Black

4.71:1

Deuteranopia

#647B84

#707585

Original → Simulated

Protanopia

#647B84

#777783

Original → Simulated

Tritanopia

#647B84

#647C7A

Original → Simulated

Color Psychology

Focused · Cooling

Smokey Blue lowers the temperature of a room — useful in south-facing rooms that overheat visually, and in home offices where you want a clear head. Pair with warm wood and brass to keep it from reading clinical.

SymbolismTrust, depth, stability

PersonalityClear-headed, dependable, contemplative

focustrustcalmofficebedroomdepth

How it looks under different light

#8A897E

Warm Bulb 2700K

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

#647B84

Daylight 5500K

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

#788EA2

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.

#7A5749

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: #647B84;

CSS — background

background-color: #647B84;

CSS Variable

--color-smokey-blue: #647B84;

Tailwind v3 — config

colors: { 'smokey-blue': '#647B84' }

Tailwind — arbitrary

bg-[#647B84] text-[#647B84]

SCSS

$smokey-blue: #647B84;

Similar Colors

Hamilton Blue

#5F767F · ΔE 2.0

Charlotte Slate

#66797F · ΔE 2.2

Philipsburg Blue

#627885 · ΔE 2.7

Normandy

#6D7E89 · ΔE 3.0

Thousand Oceans

#5E7480 · ΔE 3.2

Alfresco

#67818F · ΔE 3.8

Montpelier

#718087 · ΔE 3.9

Smokestack Gray

#728287 · ΔE 4.6

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 #647B84?

#647B84 is Smokey Blue, a mid-tone blue with a cool undertone.

Is #647B84 warm or cool?

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

What rooms work best with Smokey Blue?

Smokey Blue works well in bedrooms, bathrooms, home offices. Designers typically use it for main walls, ceilings, trim, cabinetry.

What colors pair well with Smokey Blue?

Smokey Blue pairs naturally with warm white trim, oak or walnut, brass or matte black hardware. Its complementary color is also a strong contrast option for accents.

Where can I download Smokey Blue?

You can download Smokey Blue 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 Smokey Blue?

The hex code is #647B84. In RGB it's 100, 123, 132, and in HSL it's 197°, 14%, 45%.

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