BLUES

Crab Nebula

#004455

RGB 0, 68, 85 · HSL 192°, 100%, 17% · CMYK 100, 20, 0, 67

Crab Nebula is #004455 in HEX — rgb(0, 68, 85), hsl(192°, 100%, 17%), cmyk(100%, 20%, 0%, 67%).

Crab Nebula pulls into the deep end of the blues spectrum — HSL 192°, 100%, 17%. The saturated saturation makes it bold and immediate, 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#004455
RGB0, 68, 85
HSL192°, 100%, 17%
HSV192°, 100%, 33%
CMYK100, 20, 0, 67
Decimal17493
CSS RGBrgb(0, 68, 85)
CSS HSLhsl(192, 100%, 17%)

Paint Matches — this color across 16 brands

Dulux

Sultan's Silk S33D9

ΔE 2.3 · #134758

Benjamin Moore

Teal 2055-10

ΔE 3.2 · #154653

Vista Paint

Night Edition K-184

ΔE 5 · #1B485D

Sherwin-Williams

Moscow Midnight SW9142

ΔE 5.1 · #204652

Behr

Kingfisher 520F-7

ΔE 6.8 · #22515D

Dunn-Edwards

Deep Ocean DEA135

ΔE 7.6 · #2A4B5F

RAL

Azure Blue 5009

ΔE 7.8 · #025669

PPG

Plymouth Blue 13-27

ΔE 7.9 · #295266

Hallman-Lindsay

Blue Period 690

ΔE 9.2 · #075158

Valspar

Boisterous Blue 4009-6

ΔE 10.5 · #375264

Farrow & Ball

Hague Blue 30

ΔE 12.7 · #3D4E57

Kilz

Oceans Deep TB-60

ΔE 13.2 · #395255

Kobra

Blue 31

ΔE 14.1 · #334059

IKEA

IKEA097 97

ΔE 15.3 · #006673

Colorhouse

Wool .06 Wool-06

ΔE 15.4 · #485761

Dutch Boy

Ocean Blue D-6743

ΔE 18.4 · #4C6A74

Light Reflectance & Undertone

Light Reflectance Value (LRV)

5/100

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 MasstoneTeal UndertoneGreen

Reads as a cool teal with a green undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#004455
#571100

Analogous

#00573D
#004455
#001A57

Triadic

#004455
#570045
#455700

Split-Complementary

#004455
#57001A
#573D00

Tetradic

#004455
#3D0057
#571100
#1A5700

Monochromatic

#00141A
#00141A
#004455
#0083A3
#00C0F0

Rectangle

#004455
#110057
#571100
#455700

Compound

#004455
#001A57
#571100
#573D00

Variations

Lighter

#0089AB
#14C1EC
#81D4E9

Darker

#003745
#002630
#00161C

Saturation

#1E3338
#004557
#004557

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

10.73:1

AAA

Aa

vs Black

1.96:1

Fail

Deuteranopia

#004455
#2F3956

Original → Simulated

Protanopia

#004455
#3E3E53

Original → Simulated

Tritanopia

#004455
#004643

Original → Simulated

Color Psychology

Focused · Cooling

Crab Nebula 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

#3F605B

Warm Bulb 2700K

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

#004455

Daylight 5500K

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

#2D657F

Cool Bulb 6500K

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

Pairs With

#E7EDEE

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F8F8

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#531809

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

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: #004455;
CSS — background 
background-color: #004455;
CSS Variable 
--color-crab-nebula: #004455;
Tailwind v3 — config 
colors: { 'crab-nebula': '#004455' }
Tailwind — arbitrary 
bg-[#004455] text-[#004455]
SCSS 
$crab-nebula: #004455;

Similar Colors

Teal

#144552 · ΔE 3.1

Hidden Sapphire

#023B4E · ΔE 4.6

Tucson Teal

#0B464E · ΔE 6.2

Twilight

#254455 · ΔE 6.4

Dark Harbor

#1E4850 · ΔE 6.6

River Blue

#254952 · ΔE 7.0

Slate Teal

#18546A · ΔE 7.5

Adriatic Sea

#004763 · ΔE 7.6
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 #004455?

#004455 is Crab Nebula, a near-black blue with a cool undertone.

Is #004455 warm or cool?

Crab Nebula reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Crab Nebula?

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

What colors pair well with Crab Nebula?

Crab Nebula 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 Crab Nebula?

You can download Crab Nebula 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 Crab Nebula?

The hex code is #004455. In RGB it's 0, 68, 85, and in HSL it's 192°, 100%, 17%.

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