BLUES

British Mauve

#35427B

RGB 53, 66, 123 · HSL 229°, 40%, 35% · CMYK 57, 46, 0, 52

British Mauve is #35427B in HEX — rgb(53, 66, 123), hsl(229°, 40%, 35%), cmyk(57%, 46%, 0%, 52%).

British Mauve pulls into the rich end of the blues spectrum — HSL 229°, 40%, 35%. 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#35427B

RGB53, 66, 123

HSL229°, 40%, 35%

HSV229°, 57%, 48%

CMYK57, 46, 0, 52

Decimal3490427

CSS RGBrgb(53, 66, 123)

CSS HSLhsl(229, 40%, 35%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Frozen Blue 606

ΔE 1 · #354079

Benjamin Moore

Starry 2067-20

ΔE 1.9 · #344177

Behr

Bossa Nova S540-7

ΔE 2.2 · #374781

Dunn-Edwards

Indigo Night DEA138

ΔE 2.3 · #324680

Vista Paint

Frozen Blue C-605

ΔE 3.4 · #353C77

Dulux

Iris Flower S43G8

ΔE 5.2 · #3B4374

Sherwin-Williams

Morning Glory SW6971

ΔE 5.7 · #3C4C80

Valspar

Homecoming Blue 4009-9

ΔE 6.4 · #484E83

RAL

Traffic Blue 5017

ΔE 7.8 · #063971

PPG

Brilliant Blue 1161-7

ΔE 8.3 · #234E86

Kilz

Sapphire Sequin RB120-02

ΔE 9.4 · #4B568A

Colorhouse

Petal .05 Petal-05

ΔE 10.6 · #1F4992

Dutch Boy

Delft Blue 7447

ΔE 13.1 · #003B67

Kobra

Blue 30

ΔE 15.3 · #195584

IKEA

IKEA122 122

ΔE 18.9 · #3A5170

Farrow & Ball

Pitch Blue 220

ΔE 24.2 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

6/100

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

#35427B

#7D7036

Analogous

#36667D

#35427B

#4C367D

Triadic

#35427B

#7D3643

#437D36

Split-Complementary

#35427B

#7D4C36

#667D36

Tetradic

#35427B

#7D3666

#7D7036

#367D4C

Monochromatic

#080A12

#1F2647

#35427B

#4D5FB3

#828FC9

Rectangle

#35427B

#70367D

#7D7036

#437D36

Compound

#35427B

#4C367D

#7D7036

#667D36

Variations

Lighter

#495BAB

#7A86BD

#B5BBD5

Darker

#293465

#1B2347

#0F142A

Saturation

#4F5264

#36437D

#1B3298

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

9.47:1

AAA

vs Black

2.22:1

Fail

Deuteranopia

#35427B

#2C467B

Original → Simulated

Protanopia

#35427B

#404075

Original → Simulated

Tritanopia

#35427B

#2C4E46

Original → Simulated

Color Psychology

Focused · Cooling

British Mauve 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

#675E77

Warm Bulb 2700K

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

#35427B

Daylight 5500K

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

#54639C

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.

#665C32

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: #35427B;

CSS — background

background-color: #35427B;

CSS Variable

--color-british-mauve: #35427B;

Tailwind v3 — config

colors: { 'british-mauve': '#35427B' }

Tailwind — arbitrary

bg-[#35427B] text-[#35427B]

SCSS

$british-mauve: #35427B;

Similar Colors

Starry Night Blue

#334076 · ΔE 2.0

Basic Blue

#3F457D · ΔE 2.6

Blue

#233872 · ΔE 5.0

Delphinium

#304C89 · ΔE 5.4

Grape Gum

#413D6D · ΔE 7.2

Scandinavian Blue

#4E4E8C · ΔE 7.5

Southern Belle

#41548C · ΔE 7.8

Dark Royal Blue

#144B86 · ΔE 8.5

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 #35427B?

#35427B is British Mauve, a deep blue with a cool undertone.

Is #35427B warm or cool?

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

What rooms work best with British Mauve?

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

What colors pair well with British Mauve?

British Mauve 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 British Mauve?

You can download British Mauve 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 British Mauve?

The hex code is #35427B. In RGB it's 53, 66, 123, and in HSL it's 229°, 40%, 35%.

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