BLUES

Celtic Rush

#2E4E5B

RGB 46, 78, 91 · HSL 197°, 33%, 27% · CMYK 49, 14, 0, 64

Celtic Rush is #2E4E5B in HEX — rgb(46, 78, 91), hsl(197°, 33%, 27%), cmyk(49%, 14%, 0%, 64%).

Celtic Rush pulls into the deep end of the blues spectrum — HSL 197°, 33%, 27%. 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#2E4E5B

RGB46, 78, 91

HSL197°, 33%, 27%

HSV197°, 49%, 36%

CMYK49, 14, 0, 64

Decimal3034715

CSS RGBrgb(46, 78, 91)

CSS HSLhsl(197, 33%, 27%)

Paint Matches — this color across 16 brands

Dulux

Celtic Rush S34B8

Exact match

Behr

Moody Black BNC-40

ΔE 1.4 · #324F5D

Sherwin-Williams

Seaworthy SW7620

ΔE 1.6 · #314D58

PPG

Blue Bayberry 1149-7

ΔE 2.5 · #2D5360

Dunn-Edwards

Encore Teal DEA182

ΔE 3.2 · #30525B

Vista Paint

Under the Sea K-176

ΔE 3.2 · #34545E

Benjamin Moore

River 2057-10

ΔE 3.7 · #264A53

Valspar

Boisterous Blue 4009-6

ΔE 4.3 · #375264

Hallman-Lindsay

Day Spa 634

ΔE 4.5 · #3D5463

Farrow & Ball

Hague Blue 30

ΔE 5.3 · #3D4E57

Kilz

Oceans Deep TB-60

ΔE 6.8 · #395255

Colorhouse

Wool .06 Wool-06

ΔE 7.5 · #485761

RAL

Azure Blue 5009

ΔE 9.2 · #025669

IKEA

IKEA152 152

ΔE 11.5 · #494F50

Dutch Boy

Ocean Blue D-6743

ΔE 11.8 · #4C6A74

Kobra

Blue 31

ΔE 12 · #334059

Light Reflectance & Undertone

Light Reflectance Value (LRV)

7/100

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

#2E4E5B

#5C3B2E

Analogous

#2E5C52

#2E4E5B

#2E385C

Triadic

#2E4E5B

#5C2E4F

#4F5C2E

Split-Complementary

#2E4E5B

#5C2E38

#5C522E

Tetradic

#2E4E5B

#522E5C

#5C3B2E

#385C2E

Monochromatic

#090F11

#152329

#2E4E5B

#487A8E

#6DA1B6

Rectangle

#2E4E5B

#3B2E5C

#5C3B2E

#4F5C2E

Compound

#2E4E5B

#2E385C

#5C3B2E

#5C522E

Variations

Lighter

#47798D

#709DAF

#AFC4CD

Darker

#243F4A

#182C34

#0E1A1E

Saturation

#3E484C

#2E4F5C

#175973

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

8.91:1

AAA

vs Black

2.36:1

Fail

Deuteranopia

#2E4E5B

#40475C

Original → Simulated

Protanopia

#2E4E5B

#4A4A59

Original → Simulated

Tritanopia

#2E4E5B

#2D504D

Original → Simulated

Color Psychology

Focused · Cooling

Celtic Rush 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

#62675F

Warm Bulb 2700K

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

#2E4E5B

Daylight 5500K

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

#4F6C84

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.

#4B332A

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: #2E4E5B;

CSS — background

background-color: #2E4E5B;

CSS Variable

--color-celtic-rush: #2E4E5B;

Tailwind v3 — config

colors: { 'celtic-rush': '#2E4E5B' }

Tailwind — arbitrary

bg-[#2E4E5B] text-[#2E4E5B]

SCSS

$celtic-rush: #2E4E5B;

Similar Colors

River Blue

#254952 · ΔE 3.9

Washington Blue

#304656 · ΔE 4.9

Twilight

#254455 · ΔE 5.1

In the Midnight Hour

#415663 · ΔE 5.4

Dark Harbor

#1E4850 · ΔE 5.6

Teal

#144552 · ΔE 5.9

Summer Nights

#34586C · ΔE 6.0

Everard Blue

#3D5459 · ΔE 6.2

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 #2E4E5B?

#2E4E5B is Celtic Rush, a deep blue with a cool undertone.

Is #2E4E5B warm or cool?

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

What rooms work best with Celtic Rush?

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

What colors pair well with Celtic Rush?

Celtic Rush 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 Celtic Rush?

You can download Celtic Rush 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 Celtic Rush?

The hex code is #2E4E5B. In RGB it's 46, 78, 91, and in HSL it's 197°, 33%, 27%.

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