BLUES

Quarterdeck

#1272A3

RGB 18, 114, 163 · HSL 200°, 80%, 35% · CMYK 89, 30, 0, 36

Quarterdeck is #1272A3 in HEX — rgb(18, 114, 163), hsl(200°, 80%, 35%), cmyk(89%, 30%, 0%, 36%).

Quarterdeck pulls into the rich end of the blues spectrum — HSL 200°, 80%, 35%. The saturated saturation makes it bold and immediate, 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.

HEX#1272A3
RGB18, 114, 163
HSL200°, 80%, 35%
HSV200°, 89%, 64%
CMYK89, 30, 0, 36
Decimal1208995
CSS RGBrgb(18, 114, 163)
CSS HSLhsl(200, 80%, 35%)

Benjamin Moore

Seaport 2060-30

ΔE 1.8 · #016FA2

PPG

North Sea 1239-6

ΔE 2.6 · #1D78AB

Dunn-Edwards

Summer Lake DE5838

ΔE 2.8 · #0077A7

Behr

Sojourn Blue M500-5

ΔE 3.3 · #3077A7

Dulux

Reef Escape S35F6

ΔE 3.5 · #047AAD

Sherwin-Williams

Danube SW6803

ΔE 4.3 · #2377A2

Kilz

Triumph Blue RC280-01

ΔE 6.2 · #3F73A0

Kobra

Blue 29

ΔE 6.4 · #1882B4

Vista Paint

Wakeby Beach K-137

ΔE 6.7 · #3E7DA8

Hallman-Lindsay

Bowen Blue historic-bowen-blue

ΔE 7.1 · #126DA8

Valspar

Cosmic Blue 4008-10C

ΔE 8.2 · #147EBB

RAL

Light Blue 5012

ΔE 9.1 · #3B83BD

IKEA

IKEA128 128

ΔE 13.4 · #4A72B0

Farrow & Ball

Cook's Blue 237

ΔE 17.2 · #6A90B4

Dutch Boy

Blue Sea VS-9451

ΔE 21.4 · #2D61AD

Colorhouse

Dream .06 Dream-06

ΔE 24.5 · #0E707B

Light Reflectance Value (LRV)

15/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

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.

Complementary

#1272A3
#A14112

Analogous

#12A189
#1272A3
#122AA1

Triadic

#1272A3
#A11271
#71A112

Split-Complementary

#1272A3
#A1122A
#A18912

Tetradic

#1272A3
#8912A1
#A14112
#2AA112

Monochromatic

#031017
#0A415C
#1272A3
#19A1E6
#5EBEED

Rectangle

#1272A3
#4112A1
#A14112
#71A112

Compound

#1272A3
#122AA1
#A14112
#A18912

Lighter

#189BDC
#58B2DF
#A5D0E5

Darker

#0B5B83
#063F5C
#022537

Saturation

#44606F
#1271A1
#0974AA

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

Aa

vs White

5.30:1

AA

Aa

vs Black

3.96:1

AA Large

Deuteranopia

#1272A3
#4A65A4

Original → Simulated

Protanopia

#1272A3
#69699E

Original → Simulated

Tritanopia

#1272A3
#007B73

Original → Simulated

Focused · Cooling

Quarterdeck 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
#4D8295

Warm Bulb 2700K

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

#1272A3

Daylight 5500K

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

#3A87BA

Cool Bulb 6500K

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

#E8ECEE

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.

#7F3B18

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.

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.

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

CSS — color
color: #1272A3;
CSS — background
background-color: #1272A3;
CSS Variable
--color-quarterdeck: #1272A3;
Tailwind v3 — config
colors: { 'quarterdeck': '#1272A3' }
Tailwind — arbitrary
bg-[#1272A3] text-[#1272A3]
SCSS
$quarterdeck: #1272A3;
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.

What color is #1272A3?

#1272A3 is Quarterdeck, a deep blue with a cool undertone.

Is #1272A3 warm or cool?

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

What rooms work best with Quarterdeck?

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

What colors pair well with Quarterdeck?

Quarterdeck 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 Quarterdeck?

You can download Quarterdeck 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 Quarterdeck?

The hex code is #1272A3. In RGB it's 18, 114, 163, and in HSL it's 200°, 80%, 35%.

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