BLUES

Cobalt Blue Tarantula

#02367D

RGB 2, 54, 125 · HSL 215°, 97%, 25% · CMYK 98, 57, 0, 51

Cobalt Blue Tarantula is #02367D in HEX — rgb(2, 54, 125), hsl(215°, 97%, 25%), cmyk(98%, 57%, 0%, 51%).

Cobalt Blue Tarantula pulls into the deep end of the blues spectrum — HSL 215°, 97%, 25%. 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#02367D

RGB2, 54, 125

HSL215°, 97%, 25%

HSV215°, 98%, 49%

CMYK98, 57, 0, 51

Decimal145021

CSS RGBrgb(2, 54, 125)

CSS HSLhsl(215, 97%, 25%)

Paint Matches — this color across 16 brands

Behr

Deep Royal 580D-7

ΔE 5.2 · #143A7A

RAL

Signal Blue 5005

ΔE 6.3 · #1E2D6E

Vista Paint

Florida Waters C-598

ΔE 6.6 · #1F3F7F

Dutch Boy

Blue Royale VS-9550

ΔE 7.7 · #243F90

Colorhouse

Petal .05 Petal-05

ΔE 8.3 · #1F4992

Benjamin Moore

Blue 2066-10

ΔE 8.9 · #243973

Hallman-Lindsay

Blue Highlight 613

ΔE 10.5 · #324A8B

Dulux

Mondrian Blue S39H9

ΔE 11.2 · #0F4B8C

Dunn-Edwards

Indigo Night DEA138

ΔE 12.1 · #324680

PPG

Crushed Velvet 1245-7

ΔE 14.1 · #445397

Sherwin-Williams

Morning Glory SW6971

ΔE 16.9 · #3C4C80

Valspar

Homecoming Blue 4009-9

ΔE 17.7 · #484E83

Kilz

Navy Dress RH210

ΔE 19.2 · #285489

Kobra

Blue 30

ΔE 23.3 · #195584

IKEA

IKEA128 128

ΔE 26.7 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 35.5 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

4/100

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

#02367D

#7E4A02

Analogous

#02737E

#02367D

#0C027E

Triadic

#02367D

#7E0235

#357E02

Split-Complementary

#02367D

#7E0C02

#737E02

Tetradic

#02367D

#7E0273

#7E4A02

#027E0C

Monochromatic

#000B19

#011532

#02367D

#0356C9

#1D7AFC

Rectangle

#02367D

#4A027E

#7E4A02

#357E02

Compound

#02367D

#0C027E

#7E4A02

#737E02

Variations

Lighter

#0356C9

#2E7CEB

#8FB4EA

Darker

#002A66

#001D46

#001129

Saturation

#2D3D52

#02357E

#01357F

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

11.50:1

AAA

vs Black

1.83:1

Fail

Deuteranopia

#02367D

#00387D

Original → Simulated

Protanopia

#02367D

#313177

Original → Simulated

Tritanopia

#02367D

#00473C

Original → Simulated

Color Psychology

Focused · Cooling

Cobalt Blue Tarantula 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

#415579

Warm Bulb 2700K

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

#02367D

Daylight 5500K

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

#2E5A9D

Cool Bulb 6500K

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

Pairs With

#E7EAEE

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.

#623D0B

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: #02367D;

CSS — background

background-color: #02367D;

CSS Variable

--color-cobalt-blue-tarantula: #02367D;

Tailwind v3 — config

colors: { 'cobalt-blue-tarantula': '#02367D' }

Tailwind — arbitrary

bg-[#02367D] text-[#02367D]

SCSS

$cobalt-blue-tarantula: #02367D;

Similar Colors

Blue

#233872 · ΔE 8.8

Warriors Blue

#00498D · ΔE 9.7

Evening Blue

#004E93 · ΔE 11.6

Delphinium

#304C89 · ΔE 12.5

Starry Night Blue

#334076 · ΔE 12.9

Dark Royal Blue

#144B86 · ΔE 13.7

Basic Blue

#3F457D · ΔE 13.9

Twilight Blue

#365496 · ΔE 14.1

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 #02367D?

#02367D is Cobalt Blue Tarantula, a deep blue with a cool undertone.

Is #02367D warm or cool?

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

What rooms work best with Cobalt Blue Tarantula?

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

What colors pair well with Cobalt Blue Tarantula?

Cobalt Blue Tarantula 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 Cobalt Blue Tarantula?

You can download Cobalt Blue Tarantula 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 Cobalt Blue Tarantula?

The hex code is #02367D. In RGB it's 2, 54, 125, and in HSL it's 215°, 97%, 25%.

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