BLUES

Deep Sea Base

#2C2C57

RGB 44, 44, 87 · HSL 240°, 33%, 26% · CMYK 49, 49, 0, 66

Deep Sea Base is #2C2C57 in HEX — rgb(44, 44, 87), hsl(240°, 33%, 26%), cmyk(49%, 49%, 0%, 66%).

Deep Sea Base pulls into the deep end of the blues spectrum — HSL 240°, 33%, 26%. The muted saturation makes it quiet but present, 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#2C2C57
RGB44, 44, 87
HSL240°, 33%, 26%
HSV240°, 49%, 34%
CMYK49, 49, 0, 66
Decimal2894935
CSS RGBrgb(44, 44, 87)
CSS HSLhsl(240, 33%, 26%)

Paint Matches — this color across 16 brands

RAL

Night Blue 5022

ΔE 3 · #252850

Behr

Interlude S-H-690

ΔE 5.6 · #382A59

Benjamin Moore

Admiral 2065-10

ΔE 6.1 · #2C3863

Dulux

Blue Mix SB8F9

ΔE 6.1 · #353962

Hallman-Lindsay

Newport Indigo historic-newport-indigo

ΔE 8 · #313D6C

Sherwin-Williams

Dewberry SW6552

ΔE 8.7 · #3E385A

Dutch Boy

Royal Blue D-6740

ΔE 10 · #1D375C

Vista Paint

Newport Indigo C-1378

ΔE 10.2 · #363F63

Dunn-Edwards

Magic Night DEA191

ΔE 10.3 · #3A3B5B

Kilz

Renaissance Tapestry RH240

ΔE 10.8 · #48436D

Valspar

Spirit Blue 4011-9

ΔE 11.5 · #49456F

PPG

Daring Indigo 1166-7 · 13-25

ΔE 12.7 · #374874

Kobra

Blue 31

ΔE 16.1 · #334059

Colorhouse

Create .06 Create-06

ΔE 19.2 · #5E3D5A

IKEA

IKEA122 122

ΔE 19.4 · #3A5170

Farrow & Ball

Pelt 254

ΔE 24.2 · #50414C

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

#2C2C57
#58582C

Analogous

#2C4258
#2C2C57
#422C58

Triadic

#2C2C57
#582C2C
#2C582C

Split-Complementary

#2C2C57
#58422C
#42582C

Tetradic

#2C2C57
#582C42
#58582C
#2C5842

Monochromatic

#090911
#131325
#2C2C57
#46468B
#6A6AB4

Rectangle

#2C2C57
#582C58
#58582C
#2C582C

Compound

#2C2C57
#422C58
#58582C
#42582C

Variations

Lighter

#46468A
#6E6EAE
#AEAECC

Darker

#232347
#171732
#0D0D1D

Saturation

#3C3C49
#2C2C58
#16166E

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)

Aa

vs White

13.08:1

AAA

Aa

vs Black

1.60:1

Fail

Deuteranopia

#2C2C57
#203257

Original → Simulated

Protanopia

#2C2C57
#2C2C53

Original → Simulated

Tritanopia

#2C2C57
#263630

Original → Simulated

Color Psychology

Focused · Cooling

Deep Sea Base 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

#604E5C

Warm Bulb 2700K

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

#2C2C57

Daylight 5500K

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

#4E5381

Cool Bulb 6500K

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

Pairs With

#E9E9EC

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.

#484829

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

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: #2C2C57;
CSS — background 
background-color: #2C2C57;
CSS Variable 
--color-deep-sea-base: #2C2C57;
Tailwind v3 — config 
colors: { 'deep-sea-base': '#2C2C57' }
Tailwind — arbitrary 
bg-[#2C2C57] text-[#2C2C57]
SCSS 
$deep-sea-base: #2C2C57;

Similar Colors

Admiral Blue

#2B3762 · ΔE 5.8

Blue Grotto

#353963 · ΔE 5.9

Midnight Navy

#333356 · ΔE 6.4

Bold Blue

#2B3558 · ΔE 7.7

Grape Gum

#413D6D · ΔE 8.4

Starry Night Blue

#334076 · ΔE 10.8

Majestic Violet

#3A3450 · ΔE 11.0

Blue

#233872 · ΔE 11.0
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 #2C2C57?

#2C2C57 is Deep Sea Base, a deep blue with a cool undertone.

Is #2C2C57 warm or cool?

Deep Sea Base reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Deep Sea Base?

Deep Sea Base works well in bedrooms, bathrooms, home offices. Designers typically use it for main walls, ceilings, trim, cabinetry.

What colors pair well with Deep Sea Base?

Deep Sea Base 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 Deep Sea Base?

You can download Deep Sea Base 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 Deep Sea Base?

The hex code is #2C2C57. In RGB it's 44, 44, 87, and in HSL it's 240°, 33%, 26%.

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