BLUES

Delft Blue

#3311EE

RGB 51, 17, 238 · HSL 249°, 87%, 50% · CMYK 79, 93, 0, 7

Delft Blue is #3311EE in HEX — rgb(51, 17, 238), hsl(249°, 87%, 50%), cmyk(79%, 93%, 0%, 7%).

Delft Blue pulls into the mid-tone end of the blues spectrum — HSL 249°, 87%, 50%. The saturated saturation makes it bold and immediate, 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#3311EE

RGB51, 17, 238

HSL249°, 87%, 50%

HSV249°, 93%, 93%

CMYK79, 93, 0, 7

Decimal3346926

CSS RGBrgb(51, 17, 238)

CSS HSLhsl(249, 87%, 50%)

Paint Matches — this color across 16 brands

Behr

Canyon Iris P540-7

ΔE 31.8 · #2A3DD6

Dutch Boy

Blue Royale VS-9550

ΔE 73.2 · #243F90

Colorhouse

Petal .05 Petal-05

ΔE 80.4 · #1F4992

RAL

Signal Blue 5005

ΔE 81 · #1E2D6E

Vista Paint

Petulant Pat K-64

ΔE 82 · #50498A

PPG

Crushed Velvet 1245-7

ΔE 82.8 · #445397

Dunn-Edwards

Cabaret DE5992

ΔE 83.6 · #845998

Hallman-Lindsay

Blue Highlight 613

ΔE 84.4 · #324A8B

Dulux

Purple Geisha SB8G7

ΔE 84.8 · #54518F

Benjamin Moore

Scandinavian 2068-30

ΔE 84.8 · #4F4F8D

Kobra

Violet 25

ΔE 86.1 · #776BAB

Valspar

Sonic Plum 4002-10C

ΔE 87.6 · #815A92

Kilz

Superstition RH250

ΔE 89.8 · #604C7F

Sherwin-Williams

African Violet SW6982

ΔE 91 · #665385

IKEA

IKEA128 128

ΔE 92.5 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 105.5 · #636E8F

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

#3311EE

#CDEE11

Analogous

#115EEE

#3311EE

#A111EE

Triadic

#3311EE

#EE3211

#11EE32

Split-Complementary

#3311EE

#EEA111

#5EEE11

Tetradic

#3311EE

#EE115E

#CDEE11

#11EEA1

Monochromatic

#14075F

#230CA7

#3311EE

#6F58F3

#ADA0F8

Rectangle

#3311EE

#EE11CD

#CDEE11

#11EE32

Compound

#3311EE

#A111EE

#CDEE11

#5EEE11

Variations

Lighter

#5B40F2

#8B7AEB

#BFB7EE

Darker

#2509C3

#170389

#0C0052

Saturation

#685EA1

#3211EE

#2C08F7

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

8.55:1

AAA

vs Black

2.46:1

Fail

Deuteranopia

#3311EE

#0055EE

Original → Simulated

Protanopia

#3311EE

#1A1AE0

Original → Simulated

Tritanopia

#3311EE

#006944

Original → Simulated

Color Psychology

Focused · Cooling

Delft 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

#6639CE

Warm Bulb 2700K

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

#3311EE

Daylight 5500K

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

#533EF2

Cool Bulb 6500K

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

Pairs With

#E8E7EE

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.

#A4BD1C

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: #3311EE;

CSS — background

background-color: #3311EE;

CSS Variable

--color-delft-blue: #3311EE;

Tailwind v3 — config

colors: { 'delft-blue': '#3311EE' }

Tailwind — arbitrary

bg-[#3311EE] text-[#3311EE]

SCSS

$delft-blue: #3311EE;

Similar Colors

Warriors Blue

#00498D · ΔE 84.7

Scandinavian Blue

#4E4E8C · ΔE 84.7

Mystical Grape

#664B86 · ΔE 84.8

Evening Blue

#004E93 · ΔE 85.0

Twilight Blue

#365496 · ΔE 85.4

Big Country Blue

#0066B1 · ΔE 86.2

Blue

#233872 · ΔE 86.8

Delphinium

#304C89 · ΔE 87.4

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 #3311EE?

#3311EE is Delft Blue, a mid-tone blue with a cool undertone.

Is #3311EE warm or cool?

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

What rooms work best with Delft Blue?

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

What colors pair well with Delft Blue?

Delft 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 Delft Blue?

You can download Delft 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 Delft Blue?

The hex code is #3311EE. In RGB it's 51, 17, 238, and in HSL it's 249°, 87%, 50%.

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