BLUES

Charter Blue

#406EB8

RGB 64, 110, 184 · HSL 217°, 48%, 49% · CMYK 65, 40, 0, 28

Charter Blue is #406EB8 in HEX — rgb(64, 110, 184), hsl(217°, 48%, 49%), cmyk(65%, 40%, 0%, 28%).

Charter Blue pulls into the mid-tone end of the blues spectrum — HSL 217°, 48%, 49%. 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#406EB8

RGB64, 110, 184

HSL217°, 48%, 49%

HSV217°, 65%, 72%

CMYK65, 40, 0, 28

Decimal4222648

CSS RGBrgb(64, 110, 184)

CSS HSLhsl(217, 48%, 49%)

Paint Matches — this color across 16 brands

Behr

Charter Blue M530-6

Exact match

Dunn-Edwards

Dover Straits DE5866

ΔE 3.2 · #326AB1

Vista Paint

Capri Isle C-604

ΔE 4.2 · #4E6EB2

PPG

Rainbow Bright 1243-7

ΔE 5 · #2863AD

Dutch Boy

Blue Sea VS-9451

ΔE 5.6 · #2D61AD

Hallman-Lindsay

Capri Isle 605

ΔE 5.9 · #4F72B3

Benjamin Moore

Big 2066-30

ΔE 6.4 · #0167B2

Dulux

Barbados Blue S39H7

ΔE 6.8 · #276AAC

IKEA

IKEA128 128

ΔE 7.5 · #4A72B0

RAL

Sky Blue 5015

ΔE 8.2 · #2271B3

Valspar

Dazzle 4005-10C

ΔE 8.9 · #556DA9

Kilz

Azurite RC110-01

ΔE 12.6 · #4E71A6

Sherwin-Williams

Blue Chip SW6959

ΔE 14.4 · #016EA7

Colorhouse

Petal .05 Petal-05

ΔE 15.2 · #1F4992

Kobra

Violet 25

ΔE 16 · #776BAB

Farrow & Ball

Pitch Blue 220

ΔE 24.8 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

16/100

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

#406EB8

#B98B41

Analogous

#41ABB9

#406EB8

#4F41B9

Triadic

#406EB8

#B9416F

#6FB941

Split-Complementary

#406EB8

#B94F41

#ABB941

Tetradic

#406EB8

#B941AB

#B98B41

#41B94F

Monochromatic

#192B48

#2D4D80

#406EB8

#7799CF

#B0C3E3

Rectangle

#406EB8

#8B41B9

#B98B41

#6FB941

Compound

#406EB8

#4F41B9

#B98B41

#ABB941

Variations

Lighter

#658BC9

#91AAD1

#C2CEE1

Darker

#325896

#203C69

#12233E

Saturation

#6B798F

#416FB9

#2067D9

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

5.07:1

vs Black

4.14:1

AA Large

Deuteranopia

#406EB8

#476CB9

Original → Simulated

Protanopia

#406EB8

#6868B1

Original → Simulated

Tritanopia

#406EB8

#2F7D72

Original → Simulated

Color Psychology

Focused · Cooling

Charter Blue 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

#6F7FA5

Warm Bulb 2700K

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

#406EB8

Daylight 5500K

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

#5D84C9

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.

#96743F

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: #406EB8;

CSS — background

background-color: #406EB8;

CSS Variable

--color-charter-blue: #406EB8;

Tailwind v3 — config

colors: { 'charter-blue': '#406EB8' }

Tailwind — arbitrary

bg-[#406EB8] text-[#406EB8]

SCSS

$charter-blue: #406EB8;

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#0066B1 · ΔE 6.5

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#3862A3 · ΔE 6.8

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#0063A6 · ΔE 8.8

Paddington Blue

#1369A7 · ΔE 10.4

Waterdrop

#5C79B3 · ΔE 11.0

Twilight Blue

#365496 · ΔE 11.1

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#0062A0 · ΔE 11.2

Athens Blue

#3D74AC · ΔE 12.1

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 #406EB8?

#406EB8 is Charter Blue, a mid-tone blue with a cool undertone.

Is #406EB8 warm or cool?

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

What rooms work best with Charter Blue?

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

What colors pair well with Charter Blue?

Charter Blue 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 Charter Blue?

You can download Charter Blue 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 Charter Blue?

The hex code is #406EB8. In RGB it's 64, 110, 184, and in HSL it's 217°, 48%, 49%.

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