BLUES

Blue

#3280CD

RGB 50, 128, 205 · HSL 210°, 61%, 50% · CMYK 76, 38, 0, 20

Blue is #3280CD in HEX — rgb(50, 128, 205), hsl(210°, 61%, 50%), cmyk(76%, 38%, 0%, 20%).

Blue pulls into the mid-tone end of the blues spectrum — HSL 210°, 61%, 50%. The balanced saturation makes it confident without overpowering, 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#3280CD

RGB50, 128, 205

HSL210°, 61%, 50%

HSV210°, 76%, 80%

CMYK76, 38, 0, 20

Decimal3309773

CSS RGBrgb(50, 128, 205)

CSS HSLhsl(210, 61%, 50%)

Paint Matches — this color across 16 brands

Behr

Blue Ocean 550B-7

ΔE 3.4 · #197BCC

PPG

Royal Plume 1243-6

ΔE 3.9 · #3C7AC2

Vista Paint

Soothing Sapphire K-129

ΔE 4.6 · #297BC1

Hallman-Lindsay

Skylla 640

ΔE 5.1 · #1F7CC2

Dunn-Edwards

Safe Harbor DE5865

ΔE 6.3 · #4A87CB

Dulux

Mykonos S39H6

ΔE 7.6 · #387EBE

RAL

Sky Blue 5015

ΔE 8.3 · #2271B3

Benjamin Moore

Big 2066-30

ΔE 9.9 · #0167B2

IKEA

IKEA128 128

ΔE 10.7 · #4A72B0

Valspar

Cosmic Blue 4008-10C

ΔE 11 · #147EBB

Kilz

Aspiration RH190

ΔE 12.1 · #217AB4

Dutch Boy

Blue Sea VS-9451

ΔE 13 · #2D61AD

Sherwin-Williams

Blue Chip SW6959

ΔE 14.1 · #016EA7

Kobra

Blue 29

ΔE 18 · #1882B4

Colorhouse

Petal .05 Petal-05

ΔE 22.9 · #1F4992

Farrow & Ball

Cook's Blue 237

ΔE 25.2 · #6A90B4

Light Reflectance & Undertone

Light Reflectance Value (LRV)

21/100

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

#3280CD

#CD8032

Analogous

#32CDCD

#3280CD

#3232CD

Triadic

#3280CD

#CD3280

#80CD32

Split-Complementary

#3280CD

#CD3232

#CDCD32

Tetradic

#3280CD

#CD32CD

#CD8032

#32CD32

Monochromatic

#143352

#235990

#3280CD

#6FA6DC

#ADCCEB

Rectangle

#3280CD

#7F32CD

#CD8032

#80CD32

Compound

#3280CD

#3232CD

#CD8032

#CDCD32

Variations

Lighter

#5B99D7

#8BB2DA

#BFD2E5

Darker

#2566A7

#174675

#0C2945

Saturation

#687F97

#327FCD

#197FE6

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

4.11:1

AA Large

vs Black

5.10:1

Deuteranopia

#3280CD

#4F78CE

Original → Simulated

Protanopia

#3280CD

#7777C5

Original → Simulated

Tritanopia

#3280CD

#128F83

Original → Simulated

Color Psychology

Focused · Cooling

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

#658DB5

Warm Bulb 2700K

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

#3280CD

Daylight 5500K

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

#5292D9

Cool Bulb 6500K

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

Pairs With

#E8EBED

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.

#A56C34

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 · Trim · Soft furniture

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: #3280CD;

CSS — background

background-color: #3280CD;

CSS Variable

--color-blue: #3280CD;

Tailwind v3 — config

colors: { 'blue': '#3280CD' }

Tailwind — arbitrary

bg-[#3280CD] text-[#3280CD]

SCSS

$blue: #3280CD;

Similar Colors

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#0066B1 · ΔE 10.3

Blue Lapis

#6289C6 · ΔE 11.6

Paddington Blue

#1369A7 · ΔE 12.2

Brilliant Blue

#0063A6 · ΔE 12.4

Athens Blue

#3D74AC · ΔE 12.7

Watertown

#5B7EB7 · ΔE 12.8

Waterdrop

#5C79B3 · ΔE 13.1

Mosaic

#3862A3 · ΔE 13.6

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 #3280CD?

#3280CD is Blue, a mid-tone blue with a cool undertone.

Is #3280CD warm or cool?

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

What rooms work best with Blue?

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

What colors pair well with Blue?

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 Blue?

You can download 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 Blue?

The hex code is #3280CD. In RGB it's 50, 128, 205, and in HSL it's 210°, 61%, 50%.

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