BLUES

Blue

#2D7B9F

RGB 45, 123, 159 · HSL 199°, 56%, 40% · CMYK 72, 23, 0, 38

Blue is #2D7B9F in HEX — rgb(45, 123, 159), hsl(199°, 56%, 40%), cmyk(72%, 23%, 0%, 38%).

Blue pulls into the rich end of the blues spectrum — HSL 199°, 56%, 40%. The balanced saturation makes it confident without overpowering, 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#2D7B9F

RGB45, 123, 159

HSL199°, 56%, 40%

HSV199°, 72%, 62%

CMYK72, 23, 0, 38

Decimal2980767

CSS RGBrgb(45, 123, 159)

CSS HSLhsl(199, 56%, 40%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Peninsula 654

ΔE 2.1 · #37799C

Dulux

Fun And Games S35D5

ΔE 2.4 · #337C9C

Kilz

Blue Splash RD250-02

ΔE 2.5 · #2A7FA1

Behr

Bering Wave S490-6

ΔE 2.6 · #2C759A

PPG

Cosmic Dust 1157-6

ΔE 2.7 · #347699

Vista Paint

Peninsula C-653

ΔE 2.9 · #3B799C

Sherwin-Williams

Danube SW6803

ΔE 4.6 · #2377A2

Valspar

Deep Blue Sea 5001-10C

ΔE 5.1 · #4387AC

Benjamin Moore

Randolph CW-615

ΔE 5.3 · #3D83A0

Dunn-Edwards

Summer Lake DE5838

ΔE 7.5 · #0077A7

Kobra

Blue 29

ΔE 8.6 · #1882B4

RAL

Pearl Gentian Blue 5025

ΔE 13 · #2A6478

Farrow & Ball

Cook's Blue 237

ΔE 13 · #6A90B4

IKEA

IKEA120 120

ΔE 15.1 · #6C8EA3

Colorhouse

Dream .06 Dream-06

ΔE 17.1 · #0E707B

Dutch Boy

Ocean Blue D-6743

ΔE 18.3 · #4C6A74

Light Reflectance & Undertone

Light Reflectance Value (LRV)

17/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

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

#2D7B9F

#9F512D

Analogous

#2D9F8A

#2D7B9F

#2D429F

Triadic

#2D7B9F

#9F2D7B

#7B9F2D

Split-Complementary

#2D7B9F

#9F2D42

#9F8A2D

Tetradic

#2D7B9F

#8A2D9F

#9F512D

#429F2D

Monochromatic

#0B1F28

#1C4D63

#2D7B9F

#4CA4CD

#88C2DD

Rectangle

#2D7B9F

#512D9F

#9F512D

#7B9F2D

Compound

#2D7B9F

#2D429F

#9F512D

#9F8A2D

Variations

Lighter

#409EC9

#78B3CF

#B4D1DE

Darker

#226382

#16455B

#0C2836

Saturation

#556C77

#2D7B9F

#1683B6

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

4.72:1

vs Black

4.45:1

AA Large

Deuteranopia

#2D7B9F

#5A6DA0

Original → Simulated

Protanopia

#2D7B9F

#72729B

Original → Simulated

Tritanopia

#2D7B9F

#26817B

Original → Simulated

Color Psychology

Focused · Cooling

Blue 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

#618992

Warm Bulb 2700K

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

#2D7B9F

Daylight 5500K

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

#4E8EB7

Cool Bulb 6500K

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

Pairs With

#E9EBED

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.

#80482D

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: #2D7B9F;

CSS — background

background-color: #2D7B9F;

CSS Variable

--color-blue: #2D7B9F;

Tailwind v3 — config

colors: { 'blue': '#2D7B9F' }

Tailwind — arbitrary

bg-[#2D7B9F] text-[#2D7B9F]

SCSS

$blue: #2D7B9F;

Similar Colors

Randolph Blue

#3C829F · ΔE 5.1

Finley Blue

#4580A8 · ΔE 5.3

Americana

#007594 · ΔE 5.7

Laguna Blue

#00719C · ΔE 6.1

Santa Monica Blue

#3A6E8C · ΔE 7.1

Blue Macaw

#2474A3 · ΔE 7.6

Bellbottom Blues

#386B8C · ΔE 7.8

Avalon Teal

#26768E · ΔE 7.8

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 #2D7B9F?

#2D7B9F is Blue, a mid-tone blue with a cool undertone.

Is #2D7B9F warm or cool?

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

What rooms work best with Blue?

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

What colors pair well with Blue?

Blue 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 Blue?

You can download 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 Blue?

The hex code is #2D7B9F. In RGB it's 45, 123, 159, and in HSL it's 199°, 56%, 40%.

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