BLUES

Monaco Blue

#274376

RGB 39, 67, 118 · HSL 219°, 50%, 31% · CMYK 67, 43, 0, 54

Monaco Blue is #274376 in HEX — rgb(39, 67, 118), hsl(219°, 50%, 31%), cmyk(67%, 43%, 0%, 54%).

Monaco Blue pulls into the rich end of the blues spectrum — HSL 219°, 50%, 31%. The balanced saturation makes it confident without overpowering, 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#274376

RGB39, 67, 118

HSL219°, 50%, 31%

HSV219°, 67%, 46%

CMYK67, 43, 0, 54

Decimal2573174

CSS RGBrgb(39, 67, 118)

CSS HSLhsl(219, 50%, 31%)

Paint Matches — this color across 16 brands

Dulux

Blue Expanse S41H8

ΔE 0.8 · #254274

Dunn-Edwards

Nautical DEA139

ΔE 3 · #2E4A7D

Sherwin-Williams

Honorable Blue SW6811

ΔE 4.1 · #164576

Vista Paint

Sailor's Eyes K-1241

ΔE 4.2 · #394778

Behr

Academy Purple 640F-7

ΔE 4.2 · #364276

Benjamin Moore

Starry 2067-20

ΔE 4.6 · #344177

Hallman-Lindsay

Newport Indigo historic-newport-indigo

ΔE 4.7 · #313D6C

PPG

Daring Indigo 1166-7 · 13-25

ΔE 5.6 · #374874

RAL

Traffic Blue 5017

ΔE 6.3 · #063971

Kilz

Indigo RH220

ΔE 6.6 · #314973

Dutch Boy

Delft Blue 7447

ΔE 7.7 · #003B67

Valspar

Homecoming Blue 4009-9

ΔE 8.2 · #484E83

Kobra

Blue 30

ΔE 10.5 · #195584

Colorhouse

Petal .05 Petal-05

ΔE 13.7 · #1F4992

IKEA

IKEA122 122

ΔE 14.6 · #3A5170

Farrow & Ball

Pitch Blue 220

ΔE 22.4 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

6/100

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

#274376

#775B28

Analogous

#286B77

#274376

#332877

Triadic

#274376

#772843

#437728

Split-Complementary

#274376

#773328

#6B7728

Tetradic

#274376

#77286B

#775B28

#287733

Monochromatic

#060B13

#14233D

#274376

#3B64B0

#6A8DCD

Rectangle

#274376

#5B2877

#775B28

#437728

Compound

#274376

#332877

#775B28

#6B7728

Variations

Lighter

#3961AB

#6988C2

#ACBBD7

Darker

#1E3560

#142443

#0B1528

Saturation

#434B5B

#284377

#143D8A

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

9.76:1

AAA

vs Black

2.15:1

Fail

Deuteranopia

#274376

#294276

Original → Simulated

Protanopia

#274376

#3F3F71

Original → Simulated

Tritanopia

#274376

#1C4E46

Original → Simulated

Color Psychology

Focused · Cooling

Monaco 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

#5D5F74

Warm Bulb 2700K

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

#274376

Daylight 5500K

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

#4A6498

Cool Bulb 6500K

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

Pairs With

#E9EAEC

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.

#604C27

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: #274376;

CSS — background

background-color: #274376;

CSS Variable

--color-monaco-blue: #274376;

Tailwind v3 — config

colors: { 'monaco-blue': '#274376' }

Tailwind — arbitrary

bg-[#274376] text-[#274376]

SCSS

$monaco-blue: #274376;

Similar Colors

Starry Night Blue

#334076 · ΔE 4.7

Patriot Blue

#184A7C · ΔE 5.2

Blueberry Hill

#335183 · ΔE 6.1

Dark Royal Blue

#144B86 · ΔE 6.5

Delphinium

#304C89 · ΔE 7.1

Basic Blue

#3F457D · ΔE 7.2

Admiral Blue

#2B3762 · ΔE 7.3

Blue

#233872 · ΔE 7.5

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 #274376?

#274376 is Monaco Blue, a deep blue with a cool undertone.

Is #274376 warm or cool?

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

What rooms work best with Monaco Blue?

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

What colors pair well with Monaco Blue?

Monaco 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 Monaco Blue?

You can download Monaco 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 Monaco Blue?

The hex code is #274376. In RGB it's 39, 67, 118, and in HSL it's 219°, 50%, 31%.

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