BLUES

Dark Cobalt Blue

#32578B

RGB 50, 87, 139 · HSL 215°, 47%, 37% · CMYK 64, 37, 0, 45

Dark Cobalt Blue is #32578B in HEX — rgb(50, 87, 139), hsl(215°, 47%, 37%), cmyk(64%, 37%, 0%, 45%).

Dark Cobalt Blue pulls into the rich end of the blues spectrum — HSL 215°, 47%, 37%. 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#32578B

RGB50, 87, 139

HSL215°, 47%, 37%

HSV215°, 64%, 55%

CMYK64, 37, 0, 45

Decimal3299211

CSS RGBrgb(50, 87, 139)

CSS HSLhsl(215, 47%, 37%)

Paint Matches — this color across 16 brands

Behr

Dark Cobalt Blue PPU15-3

Exact match

Benjamin Moore

Blue 798

ΔE 1.4 · #305789

Kilz

Navy Dress RH210

ΔE 2 · #285489

Dulux

Regal Destiny S40G8

ΔE 2.7 · #2E538A

Sherwin-Williams

Frank Blue SW6967

ΔE 3.1 · #225288

PPG

Brilliant Blue 1161-7

ΔE 4.8 · #234E86

Valspar

Deep Space 4008-8C

ΔE 5.2 · #38619B

Dunn-Edwards

Nautical DEA139

ΔE 5.6 · #2E4A7D

Kobra

Blue 30

ΔE 5.8 · #195584

Vista Paint

Wavy Navy K-1245

ΔE 6 · #005488

RAL

Capri Blue 5019

ΔE 6.1 · #1B5583

Hallman-Lindsay

Glacier Bay historic-glacier-bay

ΔE 6.8 · #005C94

IKEA

IKEA128 128

ΔE 12 · #4A72B0

Dutch Boy

Delft Blue 7447

ΔE 13.1 · #003B67

Colorhouse

Petal .05 Petal-05

ΔE 15.3 · #1F4992

Farrow & Ball

Pitch Blue 220

ΔE 16.8 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

9/100

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

#32578B

#8B6632

Analogous

#32838B

#32578B

#39328B

Triadic

#32578B

#8B3257

#578B32

Split-Complementary

#32578B

#8B3932

#838B32

Tetradic

#32578B

#8B3283

#8B6632

#328B39

Monochromatic

#09101A

#1E3452

#32578B

#4B7BBE

#83A4D2

Rectangle

#32578B

#66328B

#8B6632

#578B32

Compound

#32578B

#39328B

#8B6632

#838B32

Variations

Lighter

#4375BA

#7898C5

#B4C4D9

Darker

#264571

#192F4F

#0E1B2F

Saturation

#515C6C

#32578B

#1953A4

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

7.31:1

AAA

vs Black

2.87:1

Fail

Deuteranopia

#32578B

#3B548C

Original → Simulated

Protanopia

#32578B

#525286

Original → Simulated

Tritanopia

#32578B

#28615A

Original → Simulated

Color Psychology

Focused · Cooling

Dark Cobalt 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

#656E83

Warm Bulb 2700K

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

#32578B

Daylight 5500K

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

#5273A8

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.

#705630

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: #32578B;

CSS — background

background-color: #32578B;

CSS Variable

--color-dark-cobalt-blue: #32578B;

Tailwind v3 — config

colors: { 'dark-cobalt-blue': '#32578B' }

Tailwind — arbitrary

bg-[#32578B] text-[#32578B]

SCSS

$dark-cobalt-blue: #32578B;

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#184A7C · ΔE 6.1

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#144B86 · ΔE 7.3

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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 #32578B?

#32578B is Dark Cobalt Blue, a deep blue with a cool undertone.

Is #32578B warm or cool?

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

What rooms work best with Dark Cobalt Blue?

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

What colors pair well with Dark Cobalt Blue?

Dark Cobalt 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 Dark Cobalt Blue?

You can download Dark Cobalt 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 Dark Cobalt Blue?

The hex code is #32578B. In RGB it's 50, 87, 139, and in HSL it's 215°, 47%, 37%.

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