BLUES

Harbourmaster

#4E536B

RGB 78, 83, 107 · HSL 230°, 16%, 36% · CMYK 27, 22, 0, 58

Harbourmaster is #4E536B in HEX — rgb(78, 83, 107), hsl(230°, 16%, 36%), cmyk(27%, 22%, 0%, 58%).

Harbourmaster pulls into the rich end of the blues spectrum — HSL 230°, 16%, 36%. The neutral saturation makes it near-neutral and forgiving, 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#4E536B

RGB78, 83, 107

HSL230°, 16%, 36%

HSV230°, 27%, 42%

CMYK27, 22, 0, 58

Decimal5133163

CSS RGBrgb(78, 83, 107)

CSS HSLhsl(230, 16%, 36%)

Paint Matches — this color across 16 brands

Dulux

Harbourmaster S41D7

ΔE 1 · #4D546B

Behr

Vintage Velvet PPU15-18

ΔE 1.9 · #48516A

Dunn-Edwards

Intergalactic DE5916

ΔE 2.1 · #4D516C

Valspar

Mystified 4011-8

ΔE 2.4 · #48536D

Kilz

Deep Velvet RB290-01

ΔE 2.5 · #4F5872

Vista Paint

China Aster C-1372

ΔE 3.8 · #494E61

PPG

Magic Spell 1173-7

ΔE 3.9 · #544F66

Benjamin Moore

Stunning 826

ΔE 4 · #424B63

Hallman-Lindsay

China Aster historic-china-aster

ΔE 4.3 · #444C60

Sherwin-Williams

Indigo Batik SW7602

ΔE 6.3 · #3E5063

IKEA

IKEA122 122

ΔE 7.3 · #3A5170

Farrow & Ball

Stiffkey Blue 281

ΔE 7.3 · #4D5B6A

Kobra

Blue 31

ΔE 9.2 · #334059

Colorhouse

Wool .06 Wool-06

ΔE 9.9 · #485761

RAL

Pearl Black Berry 4012

ΔE 10 · #6C6881

Dutch Boy

Seal of Grey VS-9301

ΔE 15 · #575757

Light Reflectance & Undertone

Light Reflectance Value (LRV)

9/100

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

#4E536B

#6A664D

Analogous

#4D616A

#4E536B

#574D6A

Triadic

#4E536B

#6A4D52

#526A4D

Split-Complementary

#4E536B

#6A574D

#616A4D

Tetradic

#4E536B

#6A4D61

#6A664D

#4D6A57

Monochromatic

#0D0E12

#2D303E

#4E536B

#6E7596

#9A9FB6

Rectangle

#4E536B

#664D6A

#6A664D

#526A4D

Compound

#4E536B

#574D6A

#6A664D

#616A4D

Variations

Lighter

#696F90

#9094AA

#BFC2CC

Darker

#3D4156

#2A2D3B

#181A23

Saturation

#575960

#4D526A

#273891

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

7.57:1

AAA

vs Black

2.77:1

Fail

Deuteranopia

#4E536B

#4C546B

Original → Simulated

Protanopia

#4E536B

#525268

Original → Simulated

Tritanopia

#4E536B

#4C5754

Original → Simulated

Color Psychology

Focused · Cooling

Harbourmaster 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

#7A6B6B

Warm Bulb 2700K

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

#4E536B

Daylight 5500K

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

#677090

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.

#F7F7F7

Ceiling

Whisper tint

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

#625B3B

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: #4E536B;

CSS — background

background-color: #4E536B;

CSS Variable

--color-harbourmaster: #4E536B;

Tailwind v3 — config

colors: { 'harbourmaster': '#4E536B' }

Tailwind — arbitrary

bg-[#4E536B] text-[#4E536B]

SCSS

$harbourmaster: #4E536B;

Similar Colors

Kensington Blue

#4B5A71 · ΔE 4.3

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#414A62 · ΔE 4.4

Indi Go-Go

#445772 · ΔE 5.0

Approaching Storm

#4B4A5C · ΔE 5.4

Hudson Bay

#3F5266 · ΔE 6.0

Newburyport Blue

#465566 · ΔE 6.0

Van Deusen Blue

#485B6E · ΔE 6.6

Wood Violet

#504C5B · ΔE 6.8

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 #4E536B?

#4E536B is Harbourmaster, a deep blue with a cool undertone.

Is #4E536B warm or cool?

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

What rooms work best with Harbourmaster?

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

What colors pair well with Harbourmaster?

Harbourmaster 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 Harbourmaster?

You can download Harbourmaster 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 Harbourmaster?

The hex code is #4E536B. In RGB it's 78, 83, 107, and in HSL it's 230°, 16%, 36%.

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