BLUES

Blue Note

#404B54

RGB 64, 75, 84 · HSL 207°, 14%, 29% · CMYK 24, 11, 0, 67

Blue Note is #404B54 in HEX — rgb(64, 75, 84), hsl(207°, 14%, 29%), cmyk(24%, 11%, 0%, 67%).

Blue Note pulls into the deep end of the blues spectrum — HSL 207°, 14%, 29%. The neutral saturation makes it near-neutral and forgiving, 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.

HEX#404B54
RGB64, 75, 84
HSL207°, 14%, 29%
HSV207°, 24%, 33%
CMYK24, 11, 0, 67
Decimal4213588
CSS RGBrgb(64, 75, 84)
CSS HSLhsl(207, 14%, 29%)

Benjamin Moore

Blue2129-30

ΔE 0.4 · #414C55

Sherwin-Williams

Sea SerpentSW7615

ΔE 0.8 · #3E4B54

Valspar

Pitch Cobalt5010-2

ΔE 1 · #434D56

Dunn-Edwards

Deepest SeaDE5825

ΔE 1.3 · #444D56

Dulux

GridSG6D7

ΔE 1.4 · #444C54

Behr

Orion GrayN510-6

ΔE 1.5 · #3D4C55

PPG

Midnight Hour1038-7

ΔE 2.2 · #3B484F

Farrow & Ball

Hague Blue30

ΔE 2.4 · #3D4E57

RAL

Slate Grey7015

ΔE 3 · #434750

Kilz

Prussian BlueRD100-02

ΔE 3 · #444D5A

Vista Paint

Vermont SlateC-1464

ΔE 3.4 · #495259

Hallman-Lindsay

Vermont Slatehistoric-vermont-slate

ΔE 3.6 · #48535A

Colorhouse

Wool .06Wool-06

ΔE 5.1 · #485761

IKEA

IKEA152152

ΔE 5.7 · #494F50

Dutch Boy

Seal of GreyVS-9301

ΔE 9.1 · #575757

Kobra

Black44

ΔE 11 · #383737

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.

Complementary

#404B54
#544940

Analogous

#405453
#404B54
#404154

Triadic

#404B54
#54404B
#4B5440

Split-Complementary

#404B54
#544041
#545340

Tetradic

#404B54
#534054
#544940
#415440

Monochromatic

#0B0D0F
#1F2429
#404B54
#607280
#8898A5

Rectangle

#404B54
#494054
#544940
#4B5440

Compound

#404B54
#404154
#544940
#545340

Shades and tints of Blue Note run from a pale tint down to a deep shade — same hue and saturation, lightness stepped. Each rung below shows its exact HEX code; tap any to copy it.

Tint #EEF0F2
Tint #BEC7CE
Tint #8F9EAB
Tint #637584
Base #404B54
Shade #364048
Shade #2D353C
Shade #242A2F
Shade #1A1F23

Lighter

#5F707E
#85949F
#B9C0C6

Darker

#323C44
#22292F
#14181B

Saturation

#474A4D
#404B54
#204E74

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

Aa

vs White

8.93:1

AAA

Aa

vs Black

2.35:1

Fail

Deuteranopia

#404B54
#454854

Original → Simulated

Protanopia

#404B54
#494953

Original → Simulated

Tritanopia

#404B54
#3F4C4B

Original → Simulated

Focused · Cooling

Blue Note 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
#6F655A

Warm Bulb 2700K

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

#404B54

Daylight 5500K

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

#5D6A7E

Cool Bulb 6500K

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

#EAEBEB

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F7F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#4F3D2F

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.

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.

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

CSS — color
color: #404B54;
CSS — background
background-color: #404B54;
CSS Variable
--color-blue-note: #404B54;
Tailwind v3 — config
colors: { 'blue-note': '#404B54' }
Tailwind — arbitrary
bg-[#404B54] text-[#404B54]
SCSS
$blue-note: #404B54;
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.

What color is #404B54?

#404B54 is Blue Note, a deep blue with a cool undertone.

Is #404B54 warm or cool?

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

What rooms work best with Blue Note?

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

What colors pair well with Blue Note?

Blue Note 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 Note?

You can download Blue Note 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 Note?

The hex code is #404B54. In RGB it's 64, 75, 84, and in HSL it's 207°, 14%, 29%.

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