BLUES

Deep Koamaru

#343467

RGB 52, 52, 103 · HSL 240°, 33%, 30% · CMYK 50, 50, 0, 60

Deep Koamaru is #343467 in HEX — rgb(52, 52, 103), hsl(240°, 33%, 30%), cmyk(50%, 50%, 0%, 60%).

Deep Koamaru pulls into the rich end of the blues spectrum — HSL 240°, 33%, 30%. The muted saturation makes it quiet but present, 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#343467

RGB52, 52, 103

HSL240°, 33%, 30%

HSV240°, 50%, 40%

CMYK50, 50, 0, 60

Decimal3421287

CSS RGBrgb(52, 52, 103)

CSS HSLhsl(240, 33%, 30%)

Paint Matches — this color across 16 brands

Behr

Violet Eclipse 650F-7

ΔE 4.8 · #3B3F72

Hallman-Lindsay

Hot Sauna 1271

ΔE 5 · #3F3F75

Vista Paint

Hot Sauna C-1270

ΔE 5 · #3C3973

Benjamin Moore

Grape 2068-20

ΔE 5.3 · #423E6E

Dulux

Purple Wildflower S43H8

ΔE 5.9 · #383E6C

Dunn-Edwards

Cobalt DEA140

ΔE 6.6 · #3C4378

Sherwin-Williams

Valiant Violet SW6818

ΔE 7.6 · #3E4371

RAL

Night Blue 5022

ΔE 8.9 · #252850

Kilz

Renaissance Tapestry RH240

ΔE 9.4 · #48436D

Valspar

Spirit Blue 4011-9

ΔE 10 · #49456F

PPG

Daring Indigo 1166-7 · 13-25

ΔE 11.1 · #374874

Dutch Boy

Royal Blue D-6740

ΔE 12.8 · #1D375C

Colorhouse

Petal .05 Petal-05

ΔE 16.6 · #1F4992

Kobra

Blue 31

ΔE 19 · #334059

IKEA

IKEA122 122

ΔE 20 · #3A5170

Farrow & Ball

Pelt 254

ΔE 27.2 · #50414C

Light Reflectance & Undertone

Light Reflectance Value (LRV)

4/100

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

#343467

#666633

Analogous

#334C66

#343467

#4C3366

Triadic

#343467

#663333

#336633

Split-Complementary

#343467

#664D33

#4D6633

Tetradic

#343467

#66334D

#666633

#33664D

Monochromatic

#090911

#1A1A33

#343467

#4D4D99

#7777BB

Rectangle

#343467

#663366

#666633

#336633

Compound

#343467

#4C3366

#666633

#4D6633

Variations

Lighter

#4B4B95

#7676B2

#B2B2CF

Darker

#282852

#1B1B39

#0F0F22

Saturation

#454554

#333366

#1A1A7F

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

11.46:1

AAA

vs Black

1.83:1

Fail

Deuteranopia

#343467

#263B67

Original → Simulated

Protanopia

#343467

#343462

Original → Simulated

Tritanopia

#343467

#2D4039

Original → Simulated

Color Psychology

Focused · Cooling

Deep Koamaru 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

#665468

Warm Bulb 2700K

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

#343467

Daylight 5500K

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

#54598D

Cool Bulb 6500K

Cool white LED / overcast daylight — pulls colour toward blue.

Pairs With

#E9E9EC

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F7F8

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#53532F

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: #343467;

CSS — background

background-color: #343467;

CSS Variable

--color-deep-koamaru: #343467;

Tailwind v3 — config

colors: { 'deep-koamaru': '#343467' }

Tailwind — arbitrary

bg-[#343467] text-[#343467]

SCSS

$deep-koamaru: #343467;

Similar Colors

Grape Gum

#413D6D · ΔE 4.9

Starry Night Blue

#334076 · ΔE 6.0

Blue

#233872 · ΔE 6.5

Blue Grotto

#353963 · ΔE 6.6

Admiral Blue

#2B3762 · ΔE 6.9

Basic Blue

#3F457D · ΔE 7.7

Gentle Violet

#523C68 · ΔE 10.3

Midnight Navy

#333356 · ΔE 10.4

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 #343467?

#343467 is Deep Koamaru, a deep blue with a cool undertone.

Is #343467 warm or cool?

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

What rooms work best with Deep Koamaru?

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

What colors pair well with Deep Koamaru?

Deep Koamaru 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 Deep Koamaru?

You can download Deep Koamaru 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 Deep Koamaru?

The hex code is #343467. In RGB it's 52, 52, 103, and in HSL it's 240°, 33%, 30%.

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