BLUES

Calm Interlude

#3C4D51

RGB 60, 77, 81 · HSL 191°, 15%, 28% · CMYK 26, 5, 0, 68

Calm Interlude is #3C4D51 in HEX — rgb(60, 77, 81), hsl(191°, 15%, 28%), cmyk(26%, 5%, 0%, 68%).

Calm Interlude pulls into the deep end of the blues spectrum — HSL 191°, 15%, 28%. 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#3C4D51

RGB60, 77, 81

HSL191°, 15%, 28%

HSV191°, 26%, 32%

CMYK26, 5, 0, 68

Decimal3951953

CSS RGBrgb(60, 77, 81)

CSS HSLhsl(191, 15%, 28%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Calm Interlude 501

Exact match

Vista Paint

Calm Interlude C-500

ΔE 0.8 · #3D4C50

Dunn-Edwards

Lunar Eclipse DE5776

ΔE 1.7 · #415053

Valspar

Deep River Green 5010-3

ΔE 1.7 · #404E50

Behr

Black Space BXC-30

ΔE 1.7 · #3E4B4E

Benjamin Moore

Navy 1652

ΔE 2.6 · #445256

PPG

Obsidian 1035-7

ΔE 2.7 · #445055

Dulux

Copycat SG5C7

ΔE 2.7 · #435157

Sherwin-Williams

Mount Etna SW7625

ΔE 2.9 · #3D484C

Farrow & Ball

Hague Blue 30

ΔE 3.3 · #3D4E57

Kilz

Oceans Deep TB-60

ΔE 3.4 · #395255

RAL

Iron Grey 7011

ΔE 3.7 · #434B4D

Colorhouse

Metal .06 Metal-06

ΔE 4.8 · #3F4647

IKEA

IKEA152 152

ΔE 4.9 · #494F50

Dutch Boy

Seal of Grey VS-9301

ΔE 9.1 · #575757

Kobra

Green 38

ΔE 10.5 · #415448

Light Reflectance & Undertone

Light Reflectance Value (LRV)

7/100

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

#3C4D51

#52413D

Analogous

#3D524B

#3C4D51

#3D4352

Triadic

#3C4D51

#523D4E

#4E523D

Split-Complementary

#3C4D51

#523D43

#524B3D

Tetradic

#3C4D51

#4B3D52

#52413D

#43523D

Monochromatic

#0B0E0F

#1C2426

#3C4D51

#5D787E

#849EA4

Rectangle

#3C4D51

#413D52

#52413D

#4E523D

Compound

#3C4D51

#3D4352

#52413D

#524B3D

Variations

Lighter

#5C767C

#839A9F

#B8C3C5

Darker

#303F42

#212B2E

#13191B

Saturation

#44494B

#3D4E52

#1E6170

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

8.85:1

AAA

vs Black

2.37:1

Fail

Deuteranopia

#3C4D51

#464852

Original → Simulated

Protanopia

#3C4D51

#4A4A50

Original → Simulated

Tritanopia

#3C4D51

#3C4D4C

Original → Simulated

Color Psychology

Focused · Cooling

Calm Interlude 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

#6C6658

Warm Bulb 2700K

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

#3C4D51

Daylight 5500K

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

#5A6B7C

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.

#F7F7F7

Ceiling

Whisper tint

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

#4C332E

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: #3C4D51;

CSS — background

background-color: #3C4D51;

CSS Variable

--color-calm-interlude: #3C4D51;

Tailwind v3 — config

colors: { 'calm-interlude': '#3C4D51' }

Tailwind — arbitrary

bg-[#3C4D51] text-[#3C4D51]

SCSS

$calm-interlude: #3C4D51;

Similar Colors

Narragansett Green

#435155 · ΔE 2.3

Lead Gray

#434E52 · ΔE 2.5

Amazon Green

#415457 · ΔE 3.0

Stonecutter

#434C4F · ΔE 3.1

Brush Blue

#414F57 · ΔE 3.2

Everard Blue

#3D5459 · ΔE 3.4

Miramichi

#30484A · ΔE 4.1

Blue Note

#404B54 · ΔE 4.2

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 #3C4D51?

#3C4D51 is Calm Interlude, a deep blue with a cool undertone.

Is #3C4D51 warm or cool?

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

What rooms work best with Calm Interlude?

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

What colors pair well with Calm Interlude?

Calm Interlude 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 Calm Interlude?

You can download Calm Interlude 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 Calm Interlude?

The hex code is #3C4D51. In RGB it's 60, 77, 81, and in HSL it's 191°, 15%, 28%.

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