BLUES

Black Rock

#2C2D3C

RGB 44, 45, 60 · HSL 236°, 15%, 20% · CMYK 27, 25, 0, 76

Black Rock is #2C2D3C in HEX — rgb(44, 45, 60), hsl(236°, 15%, 20%), cmyk(27%, 25%, 0%, 76%).

Black Rock pulls into the deep end of the blues spectrum — HSL 236°, 15%, 20%. 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#2C2D3C

RGB44, 45, 60

HSL236°, 15%, 20%

HSV236°, 27%, 24%

CMYK27, 25, 0, 76

Decimal2895164

CSS RGBrgb(44, 45, 60)

CSS HSLhsl(236, 15%, 20%)

Paint Matches — this color across 16 brands

Dulux

Atlantic Charter S42A9

ΔE 2.3 · #2B3041

Behr

Dark Burgundy Wine BXC-09

ΔE 3.4 · #353343

Sherwin-Williams

Anchors Aweigh SW9179

ΔE 4.4 · #2B3441

Benjamin Moore

Old 2063-10

ΔE 5.3 · #2F364A

RAL

Grey Blue 5008

ΔE 6.1 · #26252D

Kilz

Ruling Royalty TB-50

ΔE 6.4 · #313048

Dunn-Edwards

Old Mill DEA185

ΔE 6.8 · #343B4E

Valspar

Twilight Purple 4010-2

ΔE 7.4 · #3E3B46

Vista Paint

In the Navy K-800

ΔE 7.7 · #313B45

Hallman-Lindsay

Octavius 522

ΔE 8.1 · #38393F

IKEA

IKEA163 163

ΔE 8.2 · #423A45

PPG

Napoleon 1013-7

ΔE 10.1 · #404149

Colorhouse

Nourish .06 Nourish-06

ΔE 10.2 · #313536

Kobra

Blue 31

ΔE 10.7 · #334059

Farrow & Ball

Pitch Black 256

ΔE 12.1 · #3B3938

Dutch Boy

Dark Chocolate D-6782

ΔE 14.6 · #392A27

Light Reflectance & Undertone

Light Reflectance Value (LRV)

3/100

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

#2C2D3C

#3B3A2B

Analogous

#2B343B

#2C2D3C

#322B3B

Triadic

#2C2D3C

#3B2B2C

#2C3B2B

Split-Complementary

#2C2D3C

#3B322B

#343B2B

Tetradic

#2C2D3C

#3B2B34

#3B3A2B

#2B3B32

Monochromatic

#0B0B0F

#2C2D3C

#4C4E67

#6C6F93

Rectangle

#2C2D3C

#3A2B3B

#3B3A2B

#2C3B2B

Compound

#2C2D3C

#322B3B

#3B3A2B

#343B2B

Variations

Lighter

#4E506A

#757794

#B0B1BF

Darker

#22232F

#171821

#0E0E13

Saturation

#313135

#2B2C3B

#161A50

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

13.57:1

AAA

vs Black

1.55:1

Fail

Deuteranopia

#2C2D3C

#2A2E3C

Original → Simulated

Protanopia

#2C2D3C

#2D2D3A

Original → Simulated

Tritanopia

#2C2D3C

#2B302E

Original → Simulated

Color Psychology

Focused · Cooling

Black Rock 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

#604E48

Warm Bulb 2700K

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

#2C2D3C

Daylight 5500K

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

#4E536C

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.

#393822

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 / Aura Interior (for richer color depth in deep tones)

Recommended Finishes

Matte (walls) · Pearl (trim) · Satin (doors)

Deep colors look best in matte — gloss exaggerates surface flaws. Reserve subtle sheen for trim, doors, and high-touch areas.

Best Surfaces

Accent walls · Doors · Cabinetry · Built-ins

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

Tinted primer in a similar value is highly recommended — saves a coat and prevents the wall colour from washing the surface.

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: #2C2D3C;

CSS — background

background-color: #2C2D3C;

CSS Variable

--color-black-rock: #2C2D3C;

Tailwind v3 — config

colors: { 'black-rock': '#2C2D3C' }

Tailwind — arbitrary

bg-[#2C2D3C] text-[#2C2D3C]

SCSS

$black-rock: #2C2D3C;

Similar Colors

Old Navy

#2E3549 · ΔE 5.0

Deep Mulberry

#3C3845 · ΔE 6.0

Deep Royal

#2F394B · ΔE 6.1

Polo Blue

#323A43 · ΔE 7.4

North Sea

#2B3B4C · ΔE 7.7

After Midnight

#33383E · ΔE 7.9

Tulsa Twilight

#3B3339 · ΔE 8.0

Blackberry Punch

#3F4150 · ΔE 9.0

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 #2C2D3C?

#2C2D3C is Black Rock, a deep blue with a cool undertone.

Is #2C2D3C warm or cool?

Black Rock reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Black Rock?

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

What colors pair well with Black Rock?

Black Rock 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 Black Rock?

You can download Black Rock 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 Black Rock?

The hex code is #2C2D3C. In RGB it's 44, 45, 60, and in HSL it's 236°, 15%, 20%.

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