BLUES

Black River Falls

#343E54

RGB 52, 62, 84 · HSL 221°, 24%, 27% · CMYK 38, 26, 0, 67

Black River Falls is #343E54 in HEX — rgb(52, 62, 84), hsl(221°, 24%, 27%), cmyk(38%, 26%, 0%, 67%).

Black River Falls pulls into the deep end of the blues spectrum — HSL 221°, 24%, 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#343E54

RGB52, 62, 84

HSL221°, 24%, 27%

HSV221°, 38%, 33%

CMYK38, 26, 0, 67

Decimal3423828

CSS RGBrgb(52, 62, 84)

CSS HSLhsl(221, 24%, 27%)

Paint Matches — this color across 16 brands

Dunn-Edwards

Black River Falls DEA189

Exact match

Behr

Limo-scene N560-7

ΔE 1.4 · #333B51

Dulux

Winter Sea S40D9

ΔE 1.7 · #303F55

Kobra

Blue 31

ΔE 2.2 · #334059

Vista Paint

Star-Studded C-619

ΔE 2.2 · #313F58

Hallman-Lindsay

Star-studded 620

ΔE 2.6 · #32425A

Benjamin Moore

Deep 2061-10

ΔE 3.2 · #303A4C

PPG

Victory Blue 1165-7

ΔE 3.3 · #3A405A

Kilz

Blue Galaxy RB100-02

ΔE 4.3 · #41445C

Sherwin-Williams

Naval SW6244

ΔE 5.1 · #2F3D4C

RAL

Ocean Blue 5020

ΔE 6.8 · #1D334A

Valspar

Blue Coal 4011-3

ΔE 7.5 · #414450

IKEA

IKEA122 122

ΔE 9.9 · #3A5170

Dutch Boy

Royal Blue D-6740

ΔE 11.1 · #1D375C

Farrow & Ball

Hague Blue 30

ΔE 11.2 · #3D4E57

Colorhouse

Wool .06 Wool-06

ΔE 13.2 · #485761

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

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

#343E54

#554B34

Analogous

#344F55

#343E54

#3A3455

Triadic

#343E54

#55343F

#3F5534

Split-Complementary

#343E54

#553A34

#4F5534

Tetradic

#343E54

#55344F

#554B34

#34553A

Monochromatic

#0A0C10

#171C26

#343E54

#516285

#7788AC

Rectangle

#343E54

#4B3455

#554B34

#3F5534

Compound

#343E54

#3A3455

#554B34

#4F5534

Variations

Lighter

#516184

#7987A6

#B3BAC9

Darker

#293245

#1C2230

#10141C

Saturation

#40434A

#343F55

#1A3570

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

10.70:1

AAA

vs Black

1.96:1

Fail

Deuteranopia

#343E54

#353D54

Original → Simulated

Protanopia

#343E54

#3C3C52

Original → Simulated

Tritanopia

#343E54

#32423F

Original → Simulated

Color Psychology

Focused · Cooling

Black River Falls 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

#665B5A

Warm Bulb 2700K

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

#343E54

Daylight 5500K

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

#54607E

Cool Bulb 6500K

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

Pairs With

#EAEAEB

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.

#49402C

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: #343E54;

CSS — background

background-color: #343E54;

CSS Variable

--color-black-river-falls: #343E54;

Tailwind v3 — config

colors: { 'black-river-falls': '#343E54' }

Tailwind — arbitrary

bg-[#343E54] text-[#343E54]

SCSS

$black-river-falls: #343E54;

Similar Colors

Deep Royal

#2F394B · ΔE 3.5

Old Navy

#2E3549 · ΔE 4.1

North Sea

#2B3B4C · ΔE 4.5

Jet Blue

#414A62 · ΔE 5.5

Blackberry Punch

#3F4150 · ΔE 5.6

Washington Blue

#304656 · ΔE 6.8

Marine Blue

#1D3E59 · ΔE 7.0

Blackberry Wine

#48445E · ΔE 7.1

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 #343E54?

#343E54 is Black River Falls, a deep blue with a cool undertone.

Is #343E54 warm or cool?

Black River Falls reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Black River Falls?

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

What colors pair well with Black River Falls?

Black River Falls 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 Black River Falls?

You can download Black River Falls 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 Black River Falls?

The hex code is #343E54. In RGB it's 52, 62, 84, and in HSL it's 221°, 24%, 27%.

← All colors