BLUES

Buster

#3E4C69

RGB 62, 76, 105 · HSL 220°, 26%, 33% · CMYK 41, 28, 0, 59

Buster is #3E4C69 in HEX — rgb(62, 76, 105), hsl(220°, 26%, 33%), cmyk(41%, 28%, 0%, 59%).

Buster pulls into the rich end of the blues spectrum — HSL 220°, 26%, 33%. 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#3E4C69

RGB62, 76, 105

HSL220°, 26%, 33%

HSV220°, 41%, 41%

CMYK41, 28, 0, 59

Decimal4082793

CSS RGBrgb(62, 76, 105)

CSS HSLhsl(220, 26%, 33%)

Paint Matches — this color across 16 brands

Dulux

Buster S40D8

Exact match

Behr

Knighthood S550-7

ΔE 1.8 · #384967

PPG

Annapolis Blue 1164-7

ΔE 1.9 · #384A66

Vista Paint

Quiet Peace C-591

ΔE 2.2 · #394863

Hallman-Lindsay

Quiet Peace 592

ΔE 2.3 · #3A4A64

Kilz

Fountain Pen RC100-02

ΔE 2.6 · #354A67

IKEA

IKEA122 122

ΔE 3.3 · #3A5170

Benjamin Moore

Stunning 826

ΔE 3.4 · #424B63

Valspar

Mystified 4011-8

ΔE 3.8 · #48536D

Dunn-Edwards

Intergalactic DE5916

ΔE 4.6 · #4D516C

Sherwin-Williams

Dignified SW6538

ΔE 4.7 · #3B496D

Kobra

Blue 31

ΔE 5.7 · #334059

Farrow & Ball

Stiffkey Blue 281

ΔE 10.9 · #4D5B6A

Dutch Boy

Royal Blue D-6740

ΔE 11.5 · #1D375C

RAL

Brillant Blue 5007

ΔE 11.6 · #3E5F8A

Colorhouse

Wool .06 Wool-06

ΔE 13 · #485761

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

#3E4C69

#6A5B3E

Analogous

#3E636A

#3E4C69

#463E6A

Triadic

#3E4C69

#6A3E4D

#4D6A3E

Split-Complementary

#3E4C69

#6A463E

#636A3E

Tetradic

#3E4C69

#6A3E63

#6A5B3E

#3E6A46

Monochromatic

#090C10

#222A3A

#3E4C69

#5B709A

#8898B9

Rectangle

#3E4C69

#5B3E6A

#6A5B3E

#4D6A3E

Compound

#3E4C69

#463E6A

#6A5B3E

#636A3E

Variations

Lighter

#586C95

#8291AF

#B8C0CE

Darker

#313D56

#212A3C

#131823

Saturation

#4E525B

#3E4D6A

#1F4289

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

8.60:1

AAA

vs Black

2.44:1

Fail

Deuteranopia

#3E4C69

#404B69

Original → Simulated

Protanopia

#3E4C69

#4A4A66

Original → Simulated

Tritanopia

#3E4C69

#3B514D

Original → Simulated

Color Psychology

Focused · Cooling

Buster 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

#6E666A

Warm Bulb 2700K

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

#3E4C69

Daylight 5500K

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

#5B6B8E

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.

#594D36

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: #3E4C69;

CSS — background

background-color: #3E4C69;

CSS Variable

--color-buster: #3E4C69;

Tailwind v3 — config

colors: { 'buster': '#3E4C69' }

Tailwind — arbitrary

bg-[#3E4C69] text-[#3E4C69]

SCSS

$buster: #3E4C69;

Similar Colors

Jet Blue

#414A62 · ΔE 3.4

Indi Go-Go

#445772 · ΔE 4.9

New York State of Mind

#355473 · ΔE 5.6

Champion Cobalt

#264864 · ΔE 6.5

Hudson Bay

#3F5266 · ΔE 6.7

Blackberry Wine

#48445E · ΔE 6.9

Downpour Blue

#254669 · ΔE 6.9

Kensington Blue

#4B5A71 · ΔE 7.1

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 #3E4C69?

#3E4C69 is Buster, a deep blue with a cool undertone.

Is #3E4C69 warm or cool?

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

What rooms work best with Buster?

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

What colors pair well with Buster?

Buster 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 Buster?

You can download Buster 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 Buster?

The hex code is #3E4C69. In RGB it's 62, 76, 105, and in HSL it's 220°, 26%, 33%.

← All colors