BLUES

Blue

#3B546D

RGB 59, 84, 109 · HSL 210°, 30%, 33% · CMYK 46, 23, 0, 57

Blue is #3B546D in HEX — rgb(59, 84, 109), hsl(210°, 30%, 33%), cmyk(46%, 23%, 0%, 57%).

Blue pulls into the rich end of the blues spectrum — HSL 210°, 30%, 33%. 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#3B546D

RGB59, 84, 109

HSL210°, 30%, 33%

HSV210°, 46%, 43%

CMYK46, 23, 0, 57

Decimal3888237

CSS RGBrgb(59, 84, 109)

CSS HSLhsl(210, 30%, 33%)

Paint Matches — this color across 16 brands

Behr

Velvet Rope MQ5-58

ΔE 1.3 · #37546E

Kilz

Saxophone Solo RC290-02

ΔE 1.6 · #3F556C

Dulux

Plaudit S36D8

ΔE 1.7 · #39556C

Valspar

Indigo Cloth 4009-7

ΔE 1.8 · #3D5872

Dunn-Edwards

Blue Earth DE5853

ΔE 2.8 · #375673

Benjamin Moore

Indi CSP-565

ΔE 3.2 · #455873

PPG

Blueberry Pie 1163-7

ΔE 3.3 · #314D67

Hallman-Lindsay

Into The Stratosphere 627

ΔE 3.6 · #425267

Vista Paint

Happy Tune C-647

ΔE 3.8 · #315472

IKEA

IKEA122 122

ΔE 4.2 · #3A5170

Sherwin-Williams

Indigo Batik SW7602

ΔE 4.3 · #3E5063

Farrow & Ball

Stiffkey Blue 281

ΔE 7.7 · #4D5B6A

Kobra

Blue 31

ΔE 8.8 · #334059

Colorhouse

Wool .06 Wool-06

ΔE 9.8 · #485761

RAL

Distant Blue 5023

ΔE 10.9 · #49678D

Dutch Boy

Ocean Blue D-6743

ΔE 13.1 · #4C6A74

Light Reflectance & Undertone

Light Reflectance Value (LRV)

8/100

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

#3B546D

#6D543B

Analogous

#3B6D6D

#3B546D

#3B3B6D

Triadic

#3B546D

#6D3B54

#546D3B

Split-Complementary

#3B546D

#6D3B3B

#6D6D3B

Tetradic

#3B546D

#6D3B6D

#6D543B

#3B6D3B

Monochromatic

#090D11

#202E3C

#3B546D

#567A9F

#84A1BD

Rectangle

#3B546D

#543B6D

#6D543B

#546D3B

Compound

#3B546D

#3B3B6D

#6D543B

#6D6D3B

Variations

Lighter

#53769A

#7E98B3

#B7C3D0

Darker

#2E4359

#1F2E3E

#121B24

Saturation

#4D545C

#3B546D

#1D548B

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

7.85:1

AAA

vs Black

2.67:1

Fail

Deuteranopia

#3B546D

#454F6E

Original → Simulated

Protanopia

#3B546D

#50506A

Original → Simulated

Tritanopia

#3B546D

#385855

Original → Simulated

Color Psychology

Focused · Cooling

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

#6C6C6D

Warm Bulb 2700K

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

#3B546D

Daylight 5500K

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

#597191

Cool Bulb 6500K

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

Pairs With

#E9EBEC

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.

#5A4835

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: #3B546D;

CSS — background

background-color: #3B546D;

CSS Variable

--color-blue: #3B546D;

Tailwind v3 — config

colors: { 'blue': '#3B546D' }

Tailwind — arbitrary

bg-[#3B546D] text-[#3B546D]

SCSS

$blue: #3B546D;

Similar Colors

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#445772 · ΔE 2.9

Hudson Bay

#3F5266 · ΔE 3.5

New York State of Mind

#355473 · ΔE 3.9

Kensington Blue

#4B5A71 · ΔE 4.5

Summer Nights

#34586C · ΔE 5.1

Van Deusen Blue

#485B6E · ΔE 5.2

Newburyport Blue

#465566 · ΔE 5.7

Blue Danube

#2D5970 · ΔE 5.8

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 #3B546D?

#3B546D is Blue, a deep blue with a cool undertone.

Is #3B546D warm or cool?

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

What rooms work best with Blue?

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

What colors pair well with Blue?

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 Blue?

You can download 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 Blue?

The hex code is #3B546D. In RGB it's 59, 84, 109, and in HSL it's 210°, 30%, 33%.

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