GREENS

Petro Blue

#2F5961

RGB 47, 89, 97 · HSL 190°, 35%, 28% · CMYK 52, 8, 0, 62

Petro Blue is #2F5961 in HEX — rgb(47, 89, 97), hsl(190°, 35%, 28%), cmyk(52%, 8%, 0%, 62%).

Petro Blue pulls into the deep end of the greens spectrum — HSL 190°, 35%, 28%. The muted saturation makes it quiet but present, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, libraries — for grounding, restorative spaces. Reads best alongside soft white walls, oak floors, brass, warm clay accents.

Color Codes

HEX#2F5961

RGB47, 89, 97

HSL190°, 35%, 28%

HSV190°, 52%, 38%

CMYK52, 8, 0, 62

Decimal3103073

CSS RGBrgb(47, 89, 97)

CSS HSLhsl(190, 35%, 28%)

Paint Matches — this color across 16 brands

Behr

Petro Blue QE-47

ΔE 0.9 · #2C5861

Hallman-Lindsay

Frozen Stream 669

ΔE 2 · #30555D

PPG

Deep Emerald 1148-7

ΔE 2.1 · #2A545C

Dulux

Cold Sea Currents S33B8

ΔE 2.6 · #32555E

Valspar

Classic Teal 5011-8

ΔE 2.6 · #285B62

Vista Paint

Frozen Stream C-668

ΔE 3.2 · #2E525A

Dunn-Edwards

After the Storm DE5769

ΔE 3.3 · #33616A

Sherwin-Williams

Deep Sea Dive SW7618

ΔE 3.5 · #376167

Benjamin Moore

Galápagos 2057-20

ΔE 3.7 · #205864

Kilz

Fathoms Below RE290-02

ΔE 4.8 · #3F5A5F

RAL

Azure Blue 5009

ΔE 8.6 · #025669

Farrow & Ball

Hague Blue 30

ΔE 8.7 · #3D4E57

Dutch Boy

Ocean Blue D-6743

ΔE 8.7 · #4C6A74

Colorhouse

Wool .06 Wool-06

ΔE 9.1 · #485761

IKEA

IKEA097 97

ΔE 10.2 · #006673

Kobra

Green 38

ΔE 14 · #415448

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 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

#2F5961

#60372E

Analogous

#2E6050

#2F5961

#2E3F60

Triadic

#2F5961

#602E58

#58602E

Split-Complementary

#2F5961

#602E3F

#60502E

Tetradic

#2F5961

#502E60

#60372E

#3F602E

Monochromatic

#081011

#16292D

#2F5961

#478794

#6EADB9

Rectangle

#2F5961

#372E60

#60372E

#58602E

Compound

#2F5961

#2E3F60

#60372E

#60502E

Variations

Lighter

#468592

#70A7B2

#AFC9CE

Darker

#24474E

#183136

#0E1D20

Saturation

#404C4F

#2E5860

#176878

Interior Use

Best Rooms

bedrooms, bathrooms, libraries

Best Uses

main walls, cabinetry, soft furniture

Pairs With

soft white walls, oak floors, brass, warm clay accents

Accessibility (WCAG)

vs White

7.71:1

AAA

vs Black

2.72:1

Fail

Deuteranopia

#2F5961

#494F62

Original → Simulated

Protanopia

#2F5961

#545460

Original → Simulated

Tritanopia

#2F5961

#305A58

Original → Simulated

Color Psychology

Calm · Restorative

Petro Blue sits in the part of the spectrum the eye relaxes into. Designers reach for green when a room needs to feel like a refuge — bedrooms, libraries, bathrooms — because it lowers visual blood-pressure without flattening the space.

SymbolismGrowth, balance, nature

PersonalitySteady, grounded, thoughtful

calmnaturerestorativebalancebedroomlibrary

How it looks under different light

#636F64

Warm Bulb 2700K

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

#2F5961

Daylight 5500K

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

#507488

Cool Bulb 6500K

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

Pairs With

#E9EBEC

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.

#4F312B

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: #2F5961;

CSS — background

background-color: #2F5961;

CSS Variable

--color-petro-blue: #2F5961;

Tailwind v3 — config

colors: { 'petro-blue': '#2F5961' }

Tailwind — arbitrary

bg-[#2F5961] text-[#2F5961]

SCSS

$petro-blue: #2F5961;

Similar Colors

Galápagos Turquoise

#1F5763 · ΔE 3.8

Dark Teal

#255A5E · ΔE 4.2

Bermuda Turquoise

#285E6B · ΔE 4.2

Deep Sea Green

#255456 · ΔE 5.0

Olympus Green

#3D585B · ΔE 5.1

Oasis Blue

#225A5D · ΔE 5.3

Stained Glass

#44646D · ΔE 6.0

Everard Blue

#3D5459 · ΔE 6.0

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 #2F5961?

#2F5961 is Petro Blue, a deep green with a cool undertone.

Is #2F5961 warm or cool?

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

What rooms work best with Petro Blue?

Petro Blue works well in bedrooms, bathrooms, libraries. Designers typically use it for main walls, cabinetry, soft furniture.

What colors pair well with Petro Blue?

Petro Blue pairs naturally with soft white walls, oak floors, brass, warm clay accents. Its complementary color is also a strong contrast option for accents.

Where can I download Petro Blue?

You can download Petro 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 Petro Blue?

The hex code is #2F5961. In RGB it's 47, 89, 97, and in HSL it's 190°, 35%, 28%.

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