BLUES

Blue Gem

#4B3C8E

RGB 75, 60, 142 · HSL 251°, 41%, 40% · CMYK 47, 58, 0, 44

Blue Gem is #4B3C8E in HEX — rgb(75, 60, 142), hsl(251°, 41%, 40%), cmyk(47%, 58%, 0%, 44%).

Blue Gem pulls into the rich end of the blues spectrum — HSL 251°, 41%, 40%. 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#4B3C8E

RGB75, 60, 142

HSL251°, 41%, 40%

HSV251°, 58%, 56%

CMYK47, 58, 0, 44

Decimal4930702

CSS RGBrgb(75, 60, 142)

CSS HSLhsl(251, 41%, 40%)

Paint Matches — this color across 16 brands

Behr

Blackberry Farm 660D-7

ΔE 5.4 · #483A83

Dutch Boy

Blue Royale VS-9550

ΔE 9.8 · #243F90

Vista Paint

Petulant Pat K-64

ΔE 12.2 · #50498A

RAL

Signal Blue 5005

ΔE 14.9 · #1E2D6E

Dulux

Brilliant Purple SB8G8

ΔE 15.1 · #4D4985

Colorhouse

Petal .05 Petal-05

ΔE 15.4 · #1F4992

Dunn-Edwards

Beaded Blue DE5909

ΔE 15.5 · #494D8B

PPG

Crushed Velvet 1245-7

ΔE 15.5 · #445397

Benjamin Moore

Scandinavian 2068-30

ΔE 15.5 · #4F4F8D

Hallman-Lindsay

Blue Highlight 613

ΔE 16.4 · #324A8B

Kilz

Superstition RH250

ΔE 20.4 · #604C7F

Valspar

Homecoming Blue 4009-9

ΔE 20.8 · #484E83

Sherwin-Williams

Fully Purple SW6983

ΔE 21.2 · #514C7E

Kobra

Violet 25

ΔE 22.6 · #776BAB

IKEA

IKEA128 128

ΔE 29.4 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 37.7 · #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

#4B3C8E

#80903C

Analogous

#3C5790

#4B3C8E

#753C90

Triadic

#4B3C8E

#904C3C

#3C904C

Split-Complementary

#4B3C8E

#90753C

#57903C

Tetradic

#4B3C8E

#903C57

#80903C

#3C9075

Monochromatic

#130F24

#2F265A

#4B3C8E

#6E5DBB

#9F93D2

Rectangle

#4B3C8E

#903C80

#80903C

#3C904C

Compound

#4B3C8E

#753C90

#80903C

#57903C

Variations

Lighter

#6552B7

#8F83C3

#C0BAD9

Darker

#3B2E75

#281F51

#171130

Saturation

#5E5973

#4C3C90

#381EAE

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

8.99:1

AAA

vs Black

2.34:1

Fail

Deuteranopia

#4B3C8E

#294D8E

Original → Simulated

Protanopia

#4B3C8E

#3F3F87

Original → Simulated

Tritanopia

#4B3C8E

#405145

Original → Simulated

Color Psychology

Focused · Cooling

Blue Gem 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

#785A86

Warm Bulb 2700K

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

#4B3C8E

Daylight 5500K

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

#655FAA

Cool Bulb 6500K

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

Pairs With

#EAE9EC

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.

#6A7538

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: #4B3C8E;

CSS — background

background-color: #4B3C8E;

CSS Variable

--color-blue-gem: #4B3C8E;

Tailwind v3 — config

colors: { 'blue-gem': '#4B3C8E' }

Tailwind — arbitrary

bg-[#4B3C8E] text-[#4B3C8E]

SCSS

$blue-gem: #4B3C8E;

Similar Colors

Scandinavian Blue

#4E4E8C · ΔE 15.3

Mystical Grape

#664B86 · ΔE 16.4

Basic Blue

#3F457D · ΔE 18.0

Blue

#233872 · ΔE 18.5

Twilight Blue

#365496 · ΔE 18.8

Delphinium

#304C89 · ΔE 19.3

Starry Night Blue

#334076 · ΔE 19.8

Warriors Blue

#00498D · ΔE 19.8

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 #4B3C8E?

#4B3C8E is Blue Gem, a mid-tone blue with a cool undertone.

Is #4B3C8E warm or cool?

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

What rooms work best with Blue Gem?

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

What colors pair well with Blue Gem?

Blue Gem 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 Gem?

You can download Blue Gem 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 Gem?

The hex code is #4B3C8E. In RGB it's 75, 60, 142, and in HSL it's 251°, 41%, 40%.

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