BLUES

Sunken Harbour

#1C3D44

RGB 28, 61, 68 · HSL 191°, 42%, 19% · CMYK 59, 10, 0, 73

Sunken Harbour is #1C3D44 in HEX — rgb(28, 61, 68), hsl(191°, 42%, 19%), cmyk(59%, 10%, 0%, 73%).

Sunken Harbour pulls into the deep end of the blues spectrum — HSL 191°, 42%, 19%. 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#1C3D44
RGB28, 61, 68
HSL191°, 42%, 19%
HSV191°, 59%, 27%
CMYK59, 10, 0, 73
Decimal1850692
CSS RGBrgb(28, 61, 68)
CSS HSLhsl(191, 42%, 19%)

Paint Matches — this color across 16 brands

RAL

Blue Green 6004

ΔE 3.2 · #1F3A3D

Dulux

Winter Waves S33B9

ΔE 3.3 · #21434D

Behr

Night Shade 740F-7

ΔE 3.5 · #243A41

Benjamin Moore

Pacific 2049-10

ΔE 3.9 · #284144

Sherwin-Williams

Dark Night SW6237

ΔE 4 · #23383F

Hallman-Lindsay

Atlantic Waves 473

ΔE 4.7 · #264243

Vista Paint

Cape Royal K-856

ΔE 5.1 · #294344

PPG

Sailor's Coat 1153-7

ΔE 8.5 · #334B58

Dunn-Edwards

Deep Pine DEA180

ΔE 8.8 · #254A47

Kilz

Oceans Deep TB-60

ΔE 10 · #395255

Valspar

Everglade Deck 5011-3

ΔE 10 · #3C5058

Farrow & Ball

Hague Blue 30

ΔE 10.1 · #3D4E57

Colorhouse

Nourish .06 Nourish-06

ΔE 10.8 · #313536

Dutch Boy

Dark Green D-6751

ΔE 12.3 · #214136

Kobra

Black 44

ΔE 13 · #383737

IKEA

IKEA186 186

ΔE 13.7 · #302F2F

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 MasstoneTeal UndertoneGreen

Reads as a cool teal with a green undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#1C3D44
#45241C

Analogous

#1C4538
#1C3D44
#1C2945

Triadic

#1C3D44
#451C3D
#3D451C

Split-Complementary

#1C3D44
#451C29
#45381C

Tetradic

#1C3D44
#381C45
#45241C
#29451C

Monochromatic

#071012
#071012
#1C3D44
#326E7B
#489EB1

Rectangle

#1C3D44
#241C45
#45241C
#3D451C

Compound

#1C3D44
#1C2945
#45241C
#45381C

Variations

Lighter

#34727F
#579FAF
#A1C4CC

Darker

#163238
#0E2227
#081417

Saturation

#2A3437
#1C3D45
#0E4653

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)

Aa

vs White

11.66:1

AAA

Aa

vs Black

1.80:1

Fail

Deuteranopia

#1C3D44
#303545

Original → Simulated

Protanopia

#1C3D44
#393943

Original → Simulated

Tritanopia

#1C3D44
#1C3E3C

Original → Simulated

Color Psychology

Focused · Cooling

Sunken Harbour 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

#545A4E

Warm Bulb 2700K

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

#1C3D44

Daylight 5500K

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

#425F72

Cool Bulb 6500K

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

Pairs With

#E9ECEC

Trim

Matched off-white

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

#F7F8F8

Ceiling

Whisper tint

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

#3E241E

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 / Aura Interior (for richer color depth in deep tones)

Recommended Finishes

Matte (walls) · Pearl (trim) · Satin (doors)

Deep colors look best in matte — gloss exaggerates surface flaws. Reserve subtle sheen for trim, doors, and high-touch areas.

Best Surfaces

Accent walls · Doors · Cabinetry · Built-ins

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

Tinted primer in a similar value is highly recommended — saves a coat and prevents the wall colour from washing the surface.

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

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: #1C3D44;
CSS — background 
background-color: #1C3D44;
CSS Variable 
--color-sunken-harbour: #1C3D44;
Tailwind v3 — config 
colors: { 'sunken-harbour': '#1C3D44' }
Tailwind — arbitrary 
bg-[#1C3D44] text-[#1C3D44]
SCSS 
$sunken-harbour: #1C3D44;

Similar Colors

Pacific Sea Teal

#274043 · ΔE 3.6

Dark Harbor

#1E4850 · ΔE 5.0

River Blue

#254952 · ΔE 5.3

Teal

#144552 · ΔE 5.7

Tucson Teal

#0B464E · ΔE 6.2

Miramichi

#30484A · ΔE 6.5

Salamander

#2F3E3E · ΔE 7.1

Bavarian Forest

#1D4543 · 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 #1C3D44?

#1C3D44 is Sunken Harbour, a near-black blue with a cool undertone.

Is #1C3D44 warm or cool?

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

What rooms work best with Sunken Harbour?

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

What colors pair well with Sunken Harbour?

Sunken Harbour 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 Sunken Harbour?

You can download Sunken Harbour 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 Sunken Harbour?

The hex code is #1C3D44. In RGB it's 28, 61, 68, and in HSL it's 191°, 42%, 19%.

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