BLUES

Quantum Blue

#6D7A9B

RGB 109, 122, 155 · HSL 223°, 19%, 52% · CMYK 30, 21, 0, 39

Quantum Blue is #6D7A9B in HEX — rgb(109, 122, 155), hsl(223°, 19%, 52%), cmyk(30%, 21%, 0%, 39%).

Quantum Blue pulls into the mid-tone end of the blues spectrum — HSL 223°, 19%, 52%. 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.

Color Codes

HEX#6D7A9B

RGB109, 122, 155

HSL223°, 19%, 52%

HSV223°, 30%, 61%

CMYK30, 21, 0, 39

Decimal7174811

CSS RGBrgb(109, 122, 155)

CSS HSLhsl(223, 19%, 52%)

Paint Matches — this color across 16 brands

Dulux

Quantum Blue S41E5

Exact match

Vista Paint

Premiere Purple K-82

ΔE 2.4 · #747C9F

Dunn-Edwards

Bossa Nova Blue DE5914

ΔE 2.8 · #767C9E

Valspar

Bedtime Story 4003-8B

ΔE 3.6 · #6A7BA2

Behr

Infamous N540-5

ΔE 3.8 · #677C99

Hallman-Lindsay

Madonna Blue 590

ΔE 4 · #5F7799

Sherwin-Williams

Searching Blue SW6536

ΔE 4.5 · #6C7F9A

Farrow & Ball

Pitch Blue 220

ΔE 4.7 · #636E8F

Benjamin Moore

Yin 824

ΔE 5.1 · #6B83A9

RAL

Pigeon Blue 5014

ΔE 5.2 · #606E8C

Kilz

Atlantic Ocean RC130-01

ΔE 5.5 · #6280A3

PPG

Blueberry Patch 1167-6

ΔE 6.3 · #627099

IKEA

IKEA086 86

ΔE 7.9 · #748DAC

Kobra

Violet 24

ΔE 14.3 · #9B8CB5

Dutch Boy

Celestial Horizon DCP-0589

ΔE 16.2 · #8FA4BF

Colorhouse

Water .05 Water-05

ΔE 19.2 · #82979D

Light Reflectance & Undertone

Light Reflectance Value (LRV)

20/100

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

#6D7A9B

#9C8F6D

Analogous

#6D929C

#6D7A9B

#776D9C

Triadic

#6D7A9B

#9C6D7B

#7B9C6D

Split-Complementary

#6D7A9B

#9C776D

#929C6D

Tetradic

#6D7A9B

#9C6D92

#9C8F6D

#6D9C77

Monochromatic

#2D3343

#4C5770

#6D7A9B

#9BA4BB

#C8CDDA

Rectangle

#6D7A9B

#8F6D9C

#9C8F6D

#7B9C6D

Compound

#6D7A9B

#776D9C

#9C8F6D

#929C6D

Variations

Lighter

#8A95B0

#AAB0C1

#CED2DA

Darker

#55617F

#3A4258

#212634

Saturation

#7E828C

#6D7B9C

#3C65CD

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

4.28:1

AA Large

vs Black

4.91:1

Deuteranopia

#6D7A9B

#6E799C

Original → Simulated

Protanopia

#6D7A9B

#787897

Original → Simulated

Tritanopia

#6D7A9B

#6A807C

Original → Simulated

Color Psychology

Focused · Cooling

Quantum 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

#91888F

Warm Bulb 2700K

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

#6D7A9B

Daylight 5500K

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

#7E8DB4

Cool Bulb 6500K

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

Pairs With

#EAEAEB

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.

#8D7D55

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 · Trim · Soft furniture

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: #6D7A9B;

CSS — background

background-color: #6D7A9B;

CSS Variable

--color-quantum-blue: #6D7A9B;

Tailwind v3 — config

colors: { 'quantum-blue': '#6D7A9B' }

Tailwind — arbitrary

bg-[#6D7A9B] text-[#6D7A9B]

SCSS

$quantum-blue: #6D7A9B;

Similar Colors

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#6A82A8 · ΔE 4.9

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#7C819D · ΔE 5.1

Stratford Blue

#7685A1 · ΔE 5.2

Blue Nova

#5B6D92 · ΔE 6.2

French Violet

#696D86 · ΔE 7.0

In the Twilight

#747D92 · ΔE 7.2

Blue Heron

#5C6A85 · ΔE 7.4

Spring Purple

#8782A6 · ΔE 8.0

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 #6D7A9B?

#6D7A9B is Quantum Blue, a mid-tone blue with a cool undertone.

Is #6D7A9B warm or cool?

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

What rooms work best with Quantum Blue?

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

What colors pair well with Quantum Blue?

Quantum 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 Quantum Blue?

You can download Quantum 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 Quantum Blue?

The hex code is #6D7A9B. In RGB it's 109, 122, 155, and in HSL it's 223°, 19%, 52%.

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