BLUES

Waterloo

#556788

RGB 85, 103, 136 · HSL 219°, 23%, 43% · CMYK 38, 24, 0, 47

Waterloo is #556788 in HEX — rgb(85, 103, 136), hsl(219°, 23%, 43%), cmyk(38%, 24%, 0%, 47%).

Waterloo pulls into the rich end of the blues spectrum — HSL 219°, 23%, 43%. 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#556788

RGB85, 103, 136

HSL219°, 23%, 43%

HSV219°, 38%, 53%

CMYK38, 24, 0, 47

Decimal5597064

CSS RGBrgb(85, 103, 136)

CSS HSLhsl(219, 23%, 43%)

Paint Matches — this color across 16 brands

Valspar

Waterloo 4003-6C

Exact match

Kilz

Purpling RB270-02

ΔE 1.5 · #556584

Dulux

Allegiance S40D6

ΔE 2.1 · #5A6C8C

Sherwin-Williams

Luxe Blue SW6537

ΔE 2.8 · #516582

Behr

Award Night MQ5-15

ΔE 2.9 · #556181

PPG

Stained Glass 1165-6

ΔE 3 · #556682

Vista Paint

Blue Jacket C-590

ΔE 3.4 · #576F91

Benjamin Moore

Blue 825 · CC-860

ΔE 3.7 · #5C6E93

RAL

Pigeon Blue 5014

ΔE 3.7 · #606E8C

Dunn-Edwards

Champion Blue DE5915

ΔE 3.8 · #606788

Farrow & Ball

Pitch Blue 220

ΔE 4 · #636E8F

Hallman-Lindsay

Blue Jacket 591

ΔE 4.1 · #597193

IKEA

IKEA122 122

ΔE 9.6 · #3A5170

Kobra

Blue 30

ΔE 14.6 · #195584

Dutch Boy

Ocean Blue D-6743

ΔE 15.2 · #4C6A74

Colorhouse

Wool .06 Wool-06

ΔE 15.6 · #485761

Light Reflectance & Undertone

Light Reflectance Value (LRV)

13/100

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.

Color Theory

Complementary

#556788

#877554

Analogous

#547F87

#556788

#5C5487

Triadic

#556788

#875466

#668754

Split-Complementary

#556788

#875C54

#7F8754

Tetradic

#556788

#87547F

#877554

#54875C

Monochromatic

#1A1F29

#374258

#556788

#7B8DAD

#AAB5CA

Rectangle

#556788

#755487

#877554

#668754

Compound

#556788

#5C5487

#877554

#7F8754

Variations

Lighter

#7083A5

#97A3B9

#C4CAD4

Darker

#43516D

#2D384C

#1A202C

Saturation

#666B75

#546687

#2A59B1

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

5.70:1

vs Black

3.68:1

AA Large

Deuteranopia

#556788

#596589

Original → Simulated

Protanopia

#556788

#646484

Original → Simulated

Tritanopia

#556788

#526D68

Original → Simulated

Color Psychology

Focused · Cooling

Waterloo 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

#7F7A81

Warm Bulb 2700K

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

#556788

Daylight 5500K

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

#6C7FA5

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.

#756446

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: #556788;

CSS — background

background-color: #556788;

CSS Variable

--color-waterloo: #556788;

Tailwind v3 — config

colors: { 'waterloo': '#556788' }

Tailwind — arbitrary

bg-[#556788] text-[#556788]

SCSS

$waterloo: #556788;

Similar Colors

Blue Nova

#5B6D92 · ΔE 3.4

Blue Heron

#5C6A85 · ΔE 4.0

Nile Blue

#4E719A · ΔE 7.0

French Violet

#696D86 · ΔE 7.3

Indi Go-Go

#445772 · ΔE 7.6

Kensington Blue

#4B5A71 · ΔE 7.9

Darkest Grape

#5C5A7C · ΔE 8.0

Fancy Pants

#53618F · ΔE 8.6

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 #556788?

#556788 is Waterloo, a mid-tone blue with a cool undertone.

Is #556788 warm or cool?

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

What rooms work best with Waterloo?

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

What colors pair well with Waterloo?

Waterloo 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 Waterloo?

You can download Waterloo 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 Waterloo?

The hex code is #556788. In RGB it's 85, 103, 136, and in HSL it's 219°, 23%, 43%.

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