BLUES

Newport Indigo

#313D6C

RGB 49, 61, 108 · HSL 228°, 38%, 31% · CMYK 55, 44, 0, 58

Newport Indigo is #313D6C in HEX — rgb(49, 61, 108), hsl(228°, 38%, 31%), cmyk(55%, 44%, 0%, 58%).

Newport Indigo pulls into the rich end of the blues spectrum — HSL 228°, 38%, 31%. 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#313D6C

RGB49, 61, 108

HSL228°, 38%, 31%

HSV228°, 55%, 42%

CMYK55, 44, 0, 58

Decimal3226988

CSS RGBrgb(49, 61, 108)

CSS HSLhsl(228, 38%, 31%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Newport Indigo historic-newport-indigo

Exact match

Dulux

Purple Wildflower S43H8

ΔE 2 · #383E6C

Benjamin Moore

Admiral 2065-10

ΔE 3.3 · #2C3863

Sherwin-Williams

Valiant Violet SW6818

ΔE 3.7 · #3E4371

Behr

Academy Purple 640F-7

ΔE 3.7 · #364276

Vista Paint

Sailor's Eyes K-1241

ΔE 4.4 · #394778

Dunn-Edwards

Cobalt DEA140

ΔE 5 · #3C4378

PPG

Daring Indigo 1166-7 · 13-25

ΔE 5.4 · #374874

Kilz

Renaissance Tapestry RH240

ΔE 7.1 · #48436D

Valspar

Spirit Blue 4011-9

ΔE 7.3 · #49456F

RAL

Traffic Blue 5017

ΔE 8.4 · #063971

Dutch Boy

Royal Blue D-6740

ΔE 8.6 · #1D375C

Kobra

Blue 30

ΔE 14 · #195584

IKEA

IKEA122 122

ΔE 14.4 · #3A5170

Colorhouse

Petal .05 Petal-05

ΔE 16.6 · #1F4992

Farrow & Ball

Pitch Blue 220

ΔE 22.7 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

5/100

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

#313D6C

#6D6131

Analogous

#315B6D

#313D6C

#43316D

Triadic

#313D6C

#6D313D

#3D6D31

Split-Complementary

#313D6C

#6D4331

#5B6D31

Tetradic

#313D6C

#6D315B

#6D6131

#316D43

Monochromatic

#080A12

#191F38

#313D6C

#495BA2

#7685C1

Rectangle

#313D6C

#61316D

#6D6131

#3D6D31

Compound

#313D6C

#43316D

#6D6131

#5B6D31

Variations

Lighter

#47589E

#7381B8

#B1B8D2

Darker

#263058

#19213E

#0E1324

Saturation

#464A58

#313D6D

#192E86

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

10.42:1

AAA

vs Black

2.01:1

Fail

Deuteranopia

#313D6C

#2B406C

Original → Simulated

Protanopia

#313D6C

#3B3B67

Original → Simulated

Tritanopia

#313D6C

#2A4740

Original → Simulated

Color Psychology

Focused · Cooling

Newport Indigo 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

#645A6C

Warm Bulb 2700K

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

#313D6C

Daylight 5500K

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

#515F90

Cool Bulb 6500K

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

Pairs With

#E9EAEC

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.

#59502D

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: #313D6C;

CSS — background

background-color: #313D6C;

CSS Variable

--color-newport-indigo: #313D6C;

Tailwind v3 — config

colors: { 'newport-indigo': '#313D6C' }

Tailwind — arbitrary

bg-[#313D6C] text-[#313D6C]

SCSS

$newport-indigo: #313D6C;

Similar Colors

Admiral Blue

#2B3762 · ΔE 3.6

Blue Grotto

#353963 · ΔE 3.9

Starry Night Blue

#334076 · ΔE 4.5

Grape Gum

#413D6D · ΔE 5.2

Wizard

#40466D · ΔE 6.9

Basic Blue

#3F457D · ΔE 7.0

Blue

#233872 · ΔE 7.8

Bold Blue

#2B3558 · ΔE 8.3

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 #313D6C?

#313D6C is Newport Indigo, a deep blue with a cool undertone.

Is #313D6C warm or cool?

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

What rooms work best with Newport Indigo?

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

What colors pair well with Newport Indigo?

Newport Indigo 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 Newport Indigo?

You can download Newport Indigo 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 Newport Indigo?

The hex code is #313D6C. In RGB it's 49, 61, 108, and in HSL it's 228°, 38%, 31%.

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