NEUTRALS

Glaucophobia

#3A3F45

RGB 58, 63, 69 · HSL 213°, 9%, 25% · CMYK 16, 9, 0, 73

Glaucophobia is #3A3F45 in HEX — rgb(58, 63, 69), hsl(213°, 9%, 25%), cmyk(16%, 9%, 0%, 73%).

Glaucophobia pulls into the deep end of the neutrals spectrum — HSL 213°, 9%, 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#3A3F45

RGB58, 63, 69

HSL213°, 9%, 25%

HSV213°, 16%, 27%

CMYK16, 9, 0, 73

Decimal3817285

CSS RGBrgb(58, 63, 69)

CSS HSLhsl(213, 9%, 25%)

Paint Matches — this color across 16 brands

Dulux

Ferry S37A8

ΔE 0.7 · #383E44

Benjamin Moore

Soot 2129-20

ΔE 1.1 · #383D42

Kilz

Night Magic RM230

ΔE 1.9 · #3C4348

Valspar

New Black 4011-1

ΔE 2.4 · #404145

PPG

Wright Midnight FLLW36

ΔE 2.5 · #404149

Hallman-Lindsay

Octavius 522

ΔE 2.9 · #38393F

Dunn-Edwards

Stargazing DE6336

ΔE 3 · #414549

Vista Paint

Octavius C-521

ΔE 3.1 · #39393E

Behr

Totally Black HDC-MD-04

ΔE 3.1 · #3E3F41

RAL

Black Green 6012

ΔE 3.6 · #343E40

Sherwin-Williams

Cyberspace SW7076

ΔE 4.1 · #44484D

Colorhouse

Metal .06 Metal-06

ΔE 4.4 · #3F4647

Farrow & Ball

Railings 31

ΔE 4.6 · #45484B

Kobra

Black 44

ΔE 5.7 · #383737

IKEA

IKEA163 163

ΔE 6.7 · #423A45

Dutch Boy

Seal of Grey VS-9301

ΔE 11.5 · #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

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

Color Theory

Complementary

#3A3F45

#45403A

Analogous

#3A4545

#3A3F45

#3B3A45

Triadic

#3A3F45

#453A3F

#3F453A

Split-Complementary

#3A3F45

#453B3A

#45453A

Tetradic

#3A3F45

#453A45

#45403A

#3A453B

Monochromatic

#0C0D0E

#17191C

#3A3F45

#5D656F

#828B97

Rectangle

#3A3F45

#403A45

#45403A

#3F453A

Compound

#3A3F45

#3B3A45

#45403A

#45453A

Variations

Lighter

#5D656F

#838B95

#B8BCC0

Darker

#2E3338

#202327

#121417

Saturation

#3E4041

#3A3F45

#1D3C62

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

10.62:1

AAA

vs Black

1.98:1

Fail

Deuteranopia

#3A3F45

#3C3E45

Original → Simulated

Protanopia

#3A3F45

#3E3E44

Original → Simulated

Tritanopia

#3A3F45

#3A403F

Original → Simulated

Color Psychology

Quiet · Versatile

Glaucophobia 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

#6B5C4F

Warm Bulb 2700K

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

#3A3F45

Daylight 5500K

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

#586173

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.

#443829

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: #3A3F45;

CSS — background

background-color: #3A3F45;

CSS Variable

--color-glaucophobia: #3A3F45;

Tailwind v3 — config

colors: { 'glaucophobia': '#3A3F45' }

Tailwind — arbitrary

bg-[#3A3F45] text-[#3A3F45]

SCSS

$glaucophobia: #3A3F45;

Similar Colors

Soot

#373C41 · ΔE 1.5

Black Berry

#3A3B3F · ΔE 2.6

Abyss

#42444B · ΔE 2.9

Midnight

#373D3F · ΔE 2.9

Toucan Black

#3C3B40 · ΔE 2.9

Black Ink

#373A3D · ΔE 3.0

Black Iron

#3A3C3E · ΔE 3.1

After Midnight

#33383E · ΔE 3.1

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 #3A3F45?

#3A3F45 is Glaucophobia, a deep neutral with a cool undertone.

Is #3A3F45 warm or cool?

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

What rooms work best with Glaucophobia?

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

What colors pair well with Glaucophobia?

Glaucophobia 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 Glaucophobia?

You can download Glaucophobia 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 Glaucophobia?

The hex code is #3A3F45. In RGB it's 58, 63, 69, and in HSL it's 213°, 9%, 25%.

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