BLUES

Cool Operator’s Overalls

#384248

RGB 56, 66, 72 · HSL 202°, 13%, 25% · CMYK 22, 8, 0, 72

Cool Operator’s Overalls is #384248 in HEX — rgb(56, 66, 72), hsl(202°, 13%, 25%), cmyk(22%, 8%, 0%, 72%).

Cool Operator’s Overalls pulls into the deep end of the blues spectrum — HSL 202°, 13%, 25%. 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#384248

RGB56, 66, 72

HSL202°, 13%, 25%

HSV202°, 22%, 28%

CMYK22, 8, 0, 72

Decimal3686984

CSS RGBrgb(56, 66, 72)

CSS HSLhsl(202, 13%, 25%)

Paint Matches — this color across 16 brands

Kilz

Night Magic RM230

ΔE 1.5 · #3C4348

Dulux

Ferry S37A8

ΔE 2.2 · #383E44

Behr

Night Club N500-7

ΔE 2.4 · #334049

Benjamin Moore

Regent 2136-20

ΔE 2.7 · #374143

PPG

Midnight Hour 1038-7

ΔE 2.7 · #3B484F

Vista Paint

Puerto Deseado K-160

ΔE 2.8 · #303D44

Sherwin-Williams

Mount Etna SW7625

ΔE 2.9 · #3D484C

RAL

Black Green 6012

ΔE 3.2 · #343E40

Dunn-Edwards

Stargazing DE6336

ΔE 3.2 · #414549

Hallman-Lindsay

Dark River 494

ΔE 3.7 · #3E4445

Valspar

Very Black 5011-2

ΔE 3.7 · #424449

Colorhouse

Metal .06 Metal-06

ΔE 3.9 · #3F4647

Farrow & Ball

Railings 31

ΔE 4.6 · #45484B

IKEA

IKEA152 152

ΔE 6.8 · #494F50

Kobra

Black 44

ΔE 7.2 · #383737

Dutch Boy

Seal of Grey VS-9301

ΔE 11.2 · #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

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

#384248

#483E37

Analogous

#374846

#384248

#373A48

Triadic

#384248

#483742

#424837

Split-Complementary

#384248

#48373A

#484637

Tetradic

#384248

#463748

#483E37

#3A4837

Monochromatic

#0B0D0E

#161A1D

#384248

#596A73

#7D909B

Rectangle

#384248

#3E3748

#483E37

#424837

Compound

#384248

#373A48

#483E37

#484637

Variations

Lighter

#596A73

#809099

#B6BEC2

Darker

#2C353A

#1E2428

#111517

Saturation

#3D4042

#374248

#1C4964

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

10.29:1

AAA

vs Black

2.04:1

Fail

Deuteranopia

#384248

#3D3F48

Original → Simulated

Protanopia

#384248

#404047

Original → Simulated

Tritanopia

#384248

#384342

Original → Simulated

Color Psychology

Focused · Cooling

Cool Operator’s Overalls 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

#695E51

Warm Bulb 2700K

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

#384248

Daylight 5500K

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

#576375

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.

#443329

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: #384248;

CSS — background

background-color: #384248;

CSS Variable

--color-cool-operator’s-overalls: #384248;

Tailwind v3 — config

colors: { 'cool-operator’s-overalls': '#384248' }

Tailwind — arbitrary

bg-[#384248] text-[#384248]

SCSS

$cool-operator’s-overalls: #384248;

Similar Colors

Regent Green

#364042 · ΔE 2.8

Soot

#373C41 · ΔE 3.1

Midnight

#373D3F · ΔE 3.6

Abyss

#42444B · ΔE 3.7

Black Horizon

#44484D · ΔE 4.0

Polo Blue

#323A43 · ΔE 4.0

Gravel Gray

#444A50 · ΔE 4.2

Blue Note

#404B54 · ΔE 4.4

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 #384248?

#384248 is Cool Operator’s Overalls, a deep blue with a cool undertone.

Is #384248 warm or cool?

Cool Operator’s Overalls reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Cool Operator’s Overalls?

Cool Operator’s Overalls works well in bedrooms, bathrooms, home offices. Designers typically use it for main walls, ceilings, trim, cabinetry.

What colors pair well with Cool Operator’s Overalls?

Cool Operator’s Overalls 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 Cool Operator’s Overalls?

You can download Cool Operator’s Overalls 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 Cool Operator’s Overalls?

The hex code is #384248. In RGB it's 56, 66, 72, and in HSL it's 202°, 13%, 25%.

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