BLUES

Police Blue

#374F6B

RGB 55, 79, 107 · HSL 212°, 32%, 32% · CMYK 49, 26, 0, 58

Police Blue is #374F6B in HEX — rgb(55, 79, 107), hsl(212°, 32%, 32%), cmyk(49%, 26%, 0%, 58%).

Police Blue pulls into the rich end of the blues spectrum — HSL 212°, 32%, 32%. 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#374F6B

RGB55, 79, 107

HSL212°, 32%, 32%

HSV212°, 49%, 42%

CMYK49, 26, 0, 58

Decimal3624811

CSS RGBrgb(55, 79, 107)

CSS HSLhsl(212, 32%, 32%)

Paint Matches — this color across 16 brands

Dulux

Blue Flag S38F8

ΔE 1.5 · #3B526F

Behr

Rain Boots HDC-FL14-12

ΔE 1.9 · #334C66

PPG

Blueberry Pie 1163-7

ΔE 2.2 · #314D67

IKEA

IKEA122 122

ΔE 2.2 · #3A5170

Kilz

Fountain Pen RC100-02

ΔE 2.4 · #354A67

Hallman-Lindsay

Quiet Peace 592

ΔE 3.1 · #3A4A64

Dunn-Edwards

Blue Earth DE5853

ΔE 3.3 · #375673

Benjamin Moore

New 805

ΔE 3.3 · #365574

Vista Paint

Happy Tune C-647

ΔE 3.5 · #315472

Valspar

Indigo Cloth 4009-7

ΔE 4 · #3D5872

Sherwin-Williams

Dress Blues SW9176

ΔE 5.2 · #2B4360

Kobra

Blue 31

ΔE 6.9 · #334059

Farrow & Ball

Stiffkey Blue 281

ΔE 10.1 · #4D5B6A

RAL

Brillant Blue 5007

ΔE 11 · #3E5F8A

Colorhouse

Wool .06 Wool-06

ΔE 12.1 · #485761

Dutch Boy

Royal Blue D-6740

ΔE 12.4 · #1D375C

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 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

#374F6B

#6C5337

Analogous

#376A6C

#374F6B

#39376C

Triadic

#374F6B

#6C3750

#506C37

Split-Complementary

#374F6B

#6C3937

#6A6C37

Tetradic

#374F6B

#6C376A

#6C5337

#376C39

Monochromatic

#090C11

#1D2A39

#374F6B

#51759E

#7F9CBD

Rectangle

#374F6B

#53376C

#6C5337

#506C37

Compound

#374F6B

#39376C

#6C5337

#6A6C37

Variations

Lighter

#4F7299

#7B95B3

#B5C1D0

Darker

#2B4057

#1D2C3D

#111924

Saturation

#4A5159

#37506C

#1C4E87

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

8.42:1

AAA

vs Black

2.49:1

Fail

Deuteranopia

#374F6B

#404B6C

Original → Simulated

Protanopia

#374F6B

#4C4C68

Original → Simulated

Tritanopia

#374F6B

#345450

Original → Simulated

Color Psychology

Focused · Cooling

Police 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

#69686B

Warm Bulb 2700K

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

#374F6B

Daylight 5500K

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

#566D90

Cool Bulb 6500K

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

Pairs With

#E9EBEC

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.

#584732

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: #374F6B;

CSS — background

background-color: #374F6B;

CSS Variable

--color-police-blue: #374F6B;

Tailwind v3 — config

colors: { 'police-blue': '#374F6B' }

Tailwind — arbitrary

bg-[#374F6B] text-[#374F6B]

SCSS

$police-blue: #374F6B;

Similar Colors

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#355473 · ΔE 3.0

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#445772 · ΔE 4.0

Champion Cobalt

#264864 · ΔE 4.3

Jet Blue

#414A62 · ΔE 5.3

Hudson Bay

#3F5266 · ΔE 5.4

Downpour Blue

#254669 · ΔE 6.4

Kensington Blue

#4B5A71 · ΔE 6.5

Prussian Blue

#325A7D · ΔE 6.7

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 #374F6B?

#374F6B is Police Blue, a deep blue with a cool undertone.

Is #374F6B warm or cool?

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

What rooms work best with Police Blue?

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

What colors pair well with Police Blue?

Police 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 Police Blue?

You can download Police 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 Police Blue?

The hex code is #374F6B. In RGB it's 55, 79, 107, and in HSL it's 212°, 32%, 32%.

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