BLUES

Peninsula

#3B799C

RGB 59, 121, 156 · HSL 202°, 45%, 42% · CMYK 62, 22, 0, 39

Peninsula is #3B799C in HEX — rgb(59, 121, 156), hsl(202°, 45%, 42%), cmyk(62%, 22%, 0%, 39%).

Peninsula pulls into the rich end of the blues spectrum — HSL 202°, 45%, 42%. 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#3B799C

RGB59, 121, 156

HSL202°, 45%, 42%

HSV202°, 62%, 61%

CMYK62, 22, 0, 39

Decimal3897756

CSS RGBrgb(59, 121, 156)

CSS HSLhsl(202, 45%, 42%)

Paint Matches — this color across 16 brands

Vista Paint

Peninsula C-653

Exact match

Hallman-Lindsay

Peninsula 654

ΔE 0.8 · #37799C

PPG

Cosmic Dust 1157-6

ΔE 1.5 · #347699

Behr

Bering Wave S490-6

ΔE 2.7 · #2C759A

Dulux

Phenomenon S36F6

ΔE 3.1 · #3E759B

Kilz

Bubbling Brook RD110-01

ΔE 4.2 · #3A81A1

Benjamin Moore

Finley CW-620

ΔE 4.5 · #4681A9

Sherwin-Williams

Danube SW6803

ΔE 5.4 · #2377A2

Valspar

Deep Blue Sea 5001-10C

ΔE 5.5 · #4387AC

Dunn-Edwards

Rainy Lake DE5852

ΔE 6.1 · #3F6C8F

Kobra

Blue 29

ΔE 9.9 · #1882B4

RAL

Distant Blue 5023

ΔE 10.6 · #49678D

Farrow & Ball

Cook's Blue 237

ΔE 11.5 · #6A90B4

IKEA

IKEA086 86

ΔE 13.5 · #748DAC

Dutch Boy

Ocean Blue D-6743

ΔE 16.6 · #4C6A74

Colorhouse

Dream .06 Dream-06

ΔE 17.7 · #0E707B

Light Reflectance & Undertone

Light Reflectance Value (LRV)

17/100

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

#3B799C

#9B5E3B

Analogous

#3B9B8E

#3B799C

#3B489B

Triadic

#3B799C

#9B3B78

#789B3B

Split-Complementary

#3B799C

#9B3B48

#9B8E3B

Tetradic

#3B799C

#8E3B9B

#9B5E3B

#489B3B

Monochromatic

#11222C

#264D64

#3B799C

#609FC3

#97C0D8

Rectangle

#3B799C

#5E3B9B

#9B5E3B

#789B3B

Compound

#3B799C

#3B489B

#9B5E3B

#9B8E3B

Variations

Lighter

#5397BE

#84AFC8

#BBD0DC

Darker

#2D607E

#1E4358

#112734

Saturation

#5D6F7A

#3B789B

#1D80B9

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

4.77:1

vs Black

4.40:1

AA Large

Deuteranopia

#3B799C

#5C6D9D

Original → Simulated

Protanopia

#3B799C

#717198

Original → Simulated

Tritanopia

#3B799C

#367F79

Original → Simulated

Color Psychology

Focused · Cooling

Peninsula 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

#6C8790

Warm Bulb 2700K

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

#3B799C

Daylight 5500K

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

#598CB4

Cool Bulb 6500K

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

Pairs With

#E9EBEC

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.

#7E5238

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: #3B799C;

CSS — background

background-color: #3B799C;

CSS Variable

--color-peninsula: #3B799C;

Tailwind v3 — config

colors: { 'peninsula': '#3B799C' }

Tailwind — arbitrary

bg-[#3B799C] text-[#3B799C]

SCSS

$peninsula: #3B799C;

Similar Colors

Finley Blue

#4580A8 · ΔE 4.2

Santa Monica Blue

#3A6E8C · ΔE 5.2

Randolph Blue

#3C829F · ΔE 5.6

Bellbottom Blues

#386B8C · ΔE 5.8

Winter's Eve

#40729C · ΔE 6.2

Laguna Blue

#00719C · ΔE 7.2

Americana

#007594 · ΔE 7.6

Blue Macaw

#2474A3 · ΔE 7.6

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 #3B799C?

#3B799C is Peninsula, a mid-tone blue with a cool undertone.

Is #3B799C warm or cool?

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

What rooms work best with Peninsula?

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

What colors pair well with Peninsula?

Peninsula 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 Peninsula?

You can download Peninsula 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 Peninsula?

The hex code is #3B799C. In RGB it's 59, 121, 156, and in HSL it's 202°, 45%, 42%.

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