NEUTRALS

Cobalt Cannon

#4D585B

RGB 77, 88, 91 · HSL 193°, 8%, 33% · CMYK 15, 3, 0, 64

Cobalt Cannon is #4D585B in HEX — rgb(77, 88, 91), hsl(193°, 8%, 33%), cmyk(15%, 3%, 0%, 64%).

Cobalt Cannon pulls into the rich end of the neutrals spectrum — HSL 193°, 8%, 33%. 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#4D585B

RGB77, 88, 91

HSL193°, 8%, 33%

HSV193°, 15%, 36%

CMYK15, 3, 0, 64

Decimal5068891

CSS RGBrgb(77, 88, 91)

CSS HSLhsl(193, 8%, 33%)

Paint Matches — this color across 16 brands

Valspar

Slate Court 5001-4C

ΔE 1.1 · #505A5C

Behr

Asphalt Gray N520-6

ΔE 1.4 · #49575B

Dulux

Walter SG5G7

ΔE 1.8 · #4E5B5C

Benjamin Moore

Dark 2122-10

ΔE 2.6 · #4C5857

Dunn-Edwards

Dark Shadows DEA183

ΔE 2.6 · #455559

PPG

Mysterious 1037-6

ΔE 2.8 · #535E63

Vista Paint

Volute C-1379

ΔE 2.8 · #495B5F

Hallman-Lindsay

Deep Sea Shadow 480

ΔE 3.1 · #4E5856

Sherwin-Williams

Still Water SW6223

ΔE 3.5 · #4A5D5F

Kilz

Motor Gray TB-38

ΔE 3.7 · #545658

RAL

Basalt Grey 7012

ΔE 3.8 · #4E5754

IKEA

IKEA152 152

ΔE 4.1 · #494F50

Colorhouse

Metal .05 Metal-05

ΔE 4.4 · #535654

Dutch Boy

Seal of Grey VS-9301

ΔE 4.8 · #575757

Farrow & Ball

Inchyra Blue 289

ΔE 6.2 · #586768

Kobra

Green 38

ΔE 10.6 · #415448

Light Reflectance & Undertone

Light Reflectance Value (LRV)

9/100

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 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

#4D585B

#5B504D

Analogous

#4D5B57

#4D585B

#4D515B

Triadic

#4D585B

#5B4D58

#585B4D

Split-Complementary

#4D585B

#5B4D51

#5B574D

Tetradic

#4D585B

#574D5B

#5B504D

#515B4D

Monochromatic

#0C0D0E

#2A3032

#4D585B

#718084

#99A5A8

Rectangle

#4D585B

#504D5B

#5B504D

#585B4D

Compound

#4D585B

#4D515B

#5B504D

#5B574D

Variations

Lighter

#6D7C80

#929C9F

#C0C5C7

Darker

#3E4749

#2A3132

#181C1D

Saturation

#525556

#4D585B

#276E82

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)

vs White

7.34:1

AAA

vs Black

2.86:1

Fail

Deuteranopia

#4D585B

#53555C

Original → Simulated

Protanopia

#4D585B

#56565B

Original → Simulated

Tritanopia

#4D585B

#4D5858

Original → Simulated

Color Psychology

Quiet · Versatile

Cobalt Cannon 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

#796F5F

Warm Bulb 2700K

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

#4D585B

Daylight 5500K

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

#667484

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.

#593D36

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: #4D585B;

CSS — background

background-color: #4D585B;

CSS Variable

--color-cobalt-cannon: #4D585B;

Tailwind v3 — config

colors: { 'cobalt-cannon': '#4D585B' }

Tailwind — arbitrary

bg-[#4D585B] text-[#4D585B]

SCSS

$cobalt-cannon: #4D585B;

Similar Colors

Deep Secret®

#525A60 · ΔE 2.6

Dark Pewter

#4B5756 · ΔE 2.6

Flint

#565C5E · ΔE 2.9

Deep Space

#52565A · ΔE 2.9

Westcott Navy

#4E5357 · ΔE 3.0

Temptation

#54585C · ΔE 3.0

Yorktowne Green

#465A5D · ΔE 3.4

Narragansett Green

#435155 · ΔE 3.4

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 #4D585B?

#4D585B is Cobalt Cannon, a deep neutral with a cool undertone.

Is #4D585B warm or cool?

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

What rooms work best with Cobalt Cannon?

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

What colors pair well with Cobalt Cannon?

Cobalt Cannon 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 Cobalt Cannon?

You can download Cobalt Cannon 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 Cobalt Cannon?

The hex code is #4D585B. In RGB it's 77, 88, 91, and in HSL it's 193°, 8%, 33%.

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