BLUES

Blue Highlight

#334688

RGB 51, 70, 136 · HSL 227°, 45%, 37% · CMYK 63, 49, 0, 47

Blue Highlight is #334688 in HEX — rgb(51, 70, 136), hsl(227°, 45%, 37%), cmyk(63%, 49%, 0%, 47%).

Blue Highlight pulls into the rich end of the blues spectrum — HSL 227°, 45%, 37%. 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#334688

RGB51, 70, 136

HSL227°, 45%, 37%

HSV227°, 63%, 53%

CMYK63, 49, 0, 47

Decimal3360392

CSS RGBrgb(51, 70, 136)

CSS HSLhsl(227, 45%, 37%)

Paint Matches — this color across 16 brands

Vista Paint

Blue Highlight C-612

Exact match

Hallman-Lindsay

Blue Highlight 613

ΔE 2.2 · #324A8B

Dunn-Edwards

Indigo Night DEA138

ΔE 5.1 · #324680

Behr

Bossa Nova S540-7

ΔE 5.1 · #374781

Benjamin Moore

Delphinium CC-872

ΔE 5.2 · #314D8A

Colorhouse

Petal .05 Petal-05

ΔE 5.4 · #1F4992

PPG

Crushed Velvet 1245-7

ΔE 5.7 · #445397

Dulux

Mondrian Blue S39H9

ΔE 7.1 · #0F4B8C

Sherwin-Williams

Morning Glory SW6971

ΔE 9.4 · #3C4C80

Valspar

Homecoming Blue 4009-9

ΔE 9.5 · #484E83

RAL

Traffic Blue 5017

ΔE 10.1 · #063971

Dutch Boy

Blue Royale VS-9550

ΔE 10.3 · #243F90

Kilz

Sapphire Sequin RB120-02

ΔE 11.7 · #4B568A

Kobra

Blue 30

ΔE 17.7 · #195584

IKEA

IKEA128 128

ΔE 18.9 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 27.1 · #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

#334688

#897634

Analogous

#347189

#334688

#4C3489

Triadic

#334688

#893446

#468934

Split-Complementary

#334688

#894C34

#718934

Tetradic

#334688

#893471

#897634

#34894C

Monochromatic

#0A0D1A

#1F2A51

#334688

#4E65BC

#8595D1

Rectangle

#334688

#763489

#897634

#468934

Compound

#334688

#4C3489

#897634

#718934

Variations

Lighter

#465EB7

#7A8AC3

#B5BDD8

Darker

#28376F

#1A254E

#0F152E

Saturation

#52576B

#344689

#1A38A3

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

8.85:1

AAA

vs Black

2.37:1

Fail

Deuteranopia

#334688

#284A88

Original → Simulated

Protanopia

#334688

#434382

Original → Simulated

Tritanopia

#334688

#26554B

Original → Simulated

Color Psychology

Focused · Cooling

Blue Highlight 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

#666181

Warm Bulb 2700K

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

#334688

Daylight 5500K

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

#5366A5

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.

#6F6232

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: #334688;

CSS — background

background-color: #334688;

CSS Variable

--color-blue-highlight: #334688;

Tailwind v3 — config

colors: { 'blue-highlight': '#334688' }

Tailwind — arbitrary

bg-[#334688] text-[#334688]

SCSS

$blue-highlight: #334688;

Similar Colors

Delphinium

#304C89 · ΔE 5.0

Twilight Blue

#365496 · ΔE 6.3

Basic Blue

#3F457D · ΔE 6.6

Scandinavian Blue

#4E4E8C · ΔE 6.9

Warriors Blue

#00498D · ΔE 7.0

Blue

#233872 · ΔE 7.5

Starry Night Blue

#334076 · ΔE 7.6

Evening Blue

#004E93 · ΔE 8.2

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 #334688?

#334688 is Blue Highlight, a deep blue with a cool undertone.

Is #334688 warm or cool?

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

What rooms work best with Blue Highlight?

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

What colors pair well with Blue Highlight?

Blue Highlight 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 Highlight?

You can download Blue Highlight 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 Highlight?

The hex code is #334688. In RGB it's 51, 70, 136, and in HSL it's 227°, 45%, 37%.

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