BLUES

Signature Blue

#435171

RGB 67, 81, 113 · HSL 222°, 26%, 35% · CMYK 41, 28, 0, 56

Signature Blue is #435171 in HEX — rgb(67, 81, 113), hsl(222°, 26%, 35%), cmyk(41%, 28%, 0%, 56%).

Signature Blue pulls into the rich end of the blues spectrum — HSL 222°, 26%, 35%. 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#435171

RGB67, 81, 113

HSL222°, 26%, 35%

HSV222°, 41%, 44%

CMYK41, 28, 0, 56

Decimal4411761

CSS RGBrgb(67, 81, 113)

CSS HSLhsl(222, 26%, 35%)

Paint Matches — this color across 16 brands

Behr

Signature Blue UL240-22

Exact match

Valspar

Enchanted Navy 4010-8

ΔE 2 · #485375

Kilz

Blue Uniform RC130-02

ΔE 2.2 · #3B4F6F

Dulux

Buster S40D8

ΔE 2.8 · #3E4C69

IKEA

IKEA122 122

ΔE 3 · #3A5170

Dunn-Edwards

Blue Review DE5902

ΔE 3.5 · #4E5878

PPG

Royal Hyacinth 1169-7

ΔE 3.6 · #464B6A

Sherwin-Williams

Dignified SW6538

ΔE 4.3 · #3B496D

Benjamin Moore

Indi CSP-565

ΔE 4.7 · #455873

Hallman-Lindsay

Quiet Peace 592

ΔE 5 · #3A4A64

Vista Paint

Quiet Peace C-591

ΔE 5 · #394863

Kobra

Blue 31

ΔE 8.4 · #334059

RAL

Brillant Blue 5007

ΔE 9.3 · #3E5F8A

Farrow & Ball

Stiffkey Blue 281

ΔE 11.5 · #4D5B6A

Dutch Boy

Royal Blue D-6740

ΔE 12.7 · #1D375C

Colorhouse

Wool .06 Wool-06

ΔE 14.2 · #485761

Light Reflectance & Undertone

Light Reflectance Value (LRV)

8/100

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

#435171

#706342

Analogous

#426770

#435171

#4B4270

Triadic

#435171

#704250

#507042

Split-Complementary

#435171

#704B42

#677042

Tetradic

#435171

#704267

#706342

#42704B

Monochromatic

#090B10

#262E40

#435171

#5E72A1

#8F9CBD

Rectangle

#435171

#634270

#706342

#507042

Compound

#435171

#4B4270

#706342

#677042

Variations

Lighter

#5B6E9A

#8693B2

#BAC1D0

Darker

#34405B

#232B3F

#141925

Saturation

#525660

#425070

#214391

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

7.91:1

AAA

vs Black

2.65:1

Fail

Deuteranopia

#435171

#445071

Original → Simulated

Protanopia

#435171

#4F4F6D

Original → Simulated

Tritanopia

#435171

#3F5753

Original → Simulated

Color Psychology

Focused · Cooling

Signature Blue 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

#726970

Warm Bulb 2700K

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

#435171

Daylight 5500K

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

#5F6E94

Cool Bulb 6500K

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

Pairs With

#EAEAEC

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.

#5F5339

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: #435171;

CSS — background

background-color: #435171;

CSS Variable

--color-signature-blue: #435171;

Tailwind v3 — config

colors: { 'signature-blue': '#435171' }

Tailwind — arbitrary

bg-[#435171] text-[#435171]

SCSS

$signature-blue: #435171;

Similar Colors

Indi Go-Go

#445772 · ΔE 4.4

New York State of Mind

#355473 · ΔE 5.3

Jet Blue

#414A62 · ΔE 5.7

Kensington Blue

#4B5A71 · ΔE 6.9

Wizard

#40466D · ΔE 7.1

Dark Lilac

#544D6D · ΔE 7.5

Darkest Grape

#5C5A7C · ΔE 7.6

Prussian Blue

#325A7D · ΔE 7.7

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 #435171?

#435171 is Signature Blue, a deep blue with a cool undertone.

Is #435171 warm or cool?

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

What rooms work best with Signature Blue?

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

What colors pair well with Signature Blue?

Signature Blue 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 Signature Blue?

You can download Signature Blue 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 Signature Blue?

The hex code is #435171. In RGB it's 67, 81, 113, and in HSL it's 222°, 26%, 35%.

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