BLUES

Iron Medallion

#537181

RGB 83, 113, 129 · HSL 201°, 22%, 42% · CMYK 36, 12, 0, 49

Iron Medallion is #537181 in HEX — rgb(83, 113, 129), hsl(201°, 22%, 42%), cmyk(36%, 12%, 0%, 49%).

Iron Medallion pulls into the rich end of the blues spectrum — HSL 201°, 22%, 42%. 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#537181

RGB83, 113, 129

HSL201°, 22%, 42%

HSV201°, 36%, 51%

CMYK36, 12, 0, 49

Decimal5468545

CSS RGBrgb(83, 113, 129)

CSS HSLhsl(201, 22%, 42%)

Paint Matches — this color across 16 brands

Kilz

Iron Medallion RD130-02

Exact match

Hallman-Lindsay

Cape Cod Bay 633

ΔE 1 · #557080

Dulux

Happy Days S35B5

ΔE 1.2 · #4F7081

Benjamin Moore

Mozart 1665

ΔE 1.4 · #547385

Vista Paint

Cape Cod Bay C-632

ΔE 2 · #556E7F

Behr

Nypd N480-6

ΔE 2.6 · #4A7081

Dunn-Edwards

Turbulent Sea DE5803

ΔE 3.3 · #536A79

Sherwin-Williams

Inky Blue SW9149

ΔE 3.3 · #4E7287

PPG

Hatteras Gray 10-10

ΔE 3.4 · #5C707E

Valspar

Empire Fleet Blue 4006-6C

ΔE 3.7 · #496E83

Dutch Boy

Ocean Blue D-6743

ΔE 4.7 · #4C6A74

IKEA

IKEA154 154

ΔE 6.1 · #667480

Farrow & Ball

De Nimes 299

ΔE 9.3 · #6A7C80

RAL

Pearl Gentian Blue 5025

ΔE 9.7 · #2A6478

Colorhouse

Wool .05 Wool-05

ΔE 10.4 · #587675

Kobra

Grey 42

ΔE 16 · #889099

Light Reflectance & Undertone

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.

Color Theory

Complementary

#537181

#836454

Analogous

#54837C

#537181

#545B83

Triadic

#537181

#835472

#728354

Split-Complementary

#537181

#83545B

#837C54

Tetradic

#537181

#7C5483

#836454

#5B8354

Monochromatic

#182125

#364954

#537181

#7999A9

#A8BCC7

Rectangle

#537181

#645483

#836454

#728354

Compound

#537181

#545B83

#836454

#837C54

Variations

Lighter

#6F90A3

#96ABB7

#C3CED3

Darker

#425C69

#2D3F49

#1A252B

Saturation

#646D72

#547283

#2A7FAC

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

5.19:1

vs Black

4.05:1

AA Large

Deuteranopia

#537181

#626A82

Original → Simulated

Protanopia

#537181

#6D6D7F

Original → Simulated

Tritanopia

#537181

#527371

Original → Simulated

Color Psychology

Focused · Cooling

Iron Medallion 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

#7E817C

Warm Bulb 2700K

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

#537181

Daylight 5500K

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

#6B86A0

Cool Bulb 6500K

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

Pairs With

#EAEBEB

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.

#725444

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: #537181;

CSS — background

background-color: #537181;

CSS Variable

--color-iron-medallion: #537181;

Tailwind v3 — config

colors: { 'iron-medallion': '#537181' }

Tailwind — arbitrary

bg-[#537181] text-[#537181]

SCSS

$iron-medallion: #537181;

Similar Colors

Georgian Bay

#537284 · ΔE 1.3

Schooner

#527687 · ΔE 2.5

Thousand Oceans

#5E7480 · ΔE 3.7

Philipsburg Blue

#627885 · ΔE 4.4

Bella Blue

#54747C · ΔE 5.1

Hamilton Blue

#5F767F · ΔE 5.1

Azurite

#517C8E · ΔE 5.4

Bedford Blue

#4E738C · ΔE 5.5

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 #537181?

#537181 is Iron Medallion, a mid-tone blue with a cool undertone.

Is #537181 warm or cool?

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

What rooms work best with Iron Medallion?

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

What colors pair well with Iron Medallion?

Iron Medallion 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 Iron Medallion?

You can download Iron Medallion 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 Iron Medallion?

The hex code is #537181. In RGB it's 83, 113, 129, and in HSL it's 201°, 22%, 42%.

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