BLUES

Midnight Sonata

#225374

RGB 34, 83, 116 · HSL 204°, 55%, 29% · CMYK 71, 28, 0, 55

Midnight Sonata is #225374 in HEX — rgb(34, 83, 116), hsl(204°, 55%, 29%), cmyk(71%, 28%, 0%, 55%).

Midnight Sonata pulls into the deep end of the blues spectrum — HSL 204°, 55%, 29%. 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#225374

RGB34, 83, 116

HSL204°, 55%, 29%

HSV204°, 71%, 45%

CMYK71, 28, 0, 55

Decimal2249588

CSS RGBrgb(34, 83, 116)

CSS HSLhsl(204, 55%, 29%)

Paint Matches — this color across 16 brands

Vista Paint

Queen of the Night C-654

ΔE 1.6 · #265574

Hallman-Lindsay

Queen Of The Night 655

ΔE 2.2 · #295776

Dulux

Sail Maker S35E9

ΔE 2.6 · #0E5072

Behr

Quiet Storm S-H-540

ΔE 2.7 · #135074

PPG

Mountain Lake 1156-6

ΔE 4.2 · #2D5975

Benjamin Moore

New 805

ΔE 4.3 · #365574

Dunn-Edwards

Blue Earth DE5853

ΔE 4.7 · #375673

Sherwin-Williams

Regatta SW6517

ΔE 4.7 · #215772

Kilz

Thunder Night RC100-01

ΔE 5.8 · #3A5578

IKEA

IKEA122 122

ΔE 6.2 · #3A5170

Valspar

Deep Sea Diving 5001-8C

ΔE 6.6 · #3B5B75

RAL

Capri Blue 5019

ΔE 8.2 · #1B5583

Kobra

Blue 30

ΔE 8.9 · #195584

Dutch Boy

Delft Blue 7447

ΔE 13.4 · #003B67

Farrow & Ball

Stiffkey Blue 281

ΔE 14.4 · #4D5B6A

Colorhouse

Wool .06 Wool-06

ΔE 16.2 · #485761

Light Reflectance & Undertone

Light Reflectance Value (LRV)

8/100

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

#225374

#734221

Analogous

#21736A

#225374

#212973

Triadic

#225374

#732152

#527321

Split-Complementary

#225374

#732129

#736A21

Tetradic

#225374

#6A2173

#734221

#297321

Monochromatic

#060E14

#102837

#225374

#327DAE

#5DA2D0

Rectangle

#225374

#422173

#734221

#527321

Compound

#225374

#212973

#734221

#736A21

Variations

Lighter

#327AAB

#609DC5

#A7C5D8

Darker

#19425D

#102E41

#091B27

Saturation

#3E4C56

#215273

#115583

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

8.21:1

AAA

vs Black

2.56:1

Fail

Deuteranopia

#225374

#3A4B75

Original → Simulated

Protanopia

#225374

#4D4D70

Original → Simulated

Tritanopia

#225374

#1B5953

Original → Simulated

Color Psychology

Focused · Cooling

Midnight Sonata 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

#596B72

Warm Bulb 2700K

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

#225374

Daylight 5500K

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

#467096

Cool Bulb 6500K

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

Pairs With

#E9EBED

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.

#5C3921

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: #225374;

CSS — background

background-color: #225374;

CSS Variable

--color-midnight-sonata: #225374;

Tailwind v3 — config

colors: { 'midnight-sonata': '#225374' }

Tailwind — arbitrary

bg-[#225374] text-[#225374]

SCSS

$midnight-sonata: #225374;

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#325A7D · ΔE 3.9

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#00567C · ΔE 4.6

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#10557D · ΔE 4.7

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#185D82 · ΔE 5.2

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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 #225374?

#225374 is Midnight Sonata, a deep blue with a cool undertone.

Is #225374 warm or cool?

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

What rooms work best with Midnight Sonata?

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

What colors pair well with Midnight Sonata?

Midnight Sonata 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 Midnight Sonata?

You can download Midnight Sonata 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 Midnight Sonata?

The hex code is #225374. In RGB it's 34, 83, 116, and in HSL it's 204°, 55%, 29%.

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