BLUES

Saltbox Blue

#537AA3

RGB 83, 122, 163 · HSL 211°, 33%, 48% · CMYK 49, 25, 0, 36

Saltbox Blue is #537AA3 in HEX — rgb(83, 122, 163), hsl(211°, 33%, 48%), cmyk(49%, 25%, 0%, 36%).

Saltbox Blue pulls into the mid-tone end of the blues spectrum — HSL 211°, 33%, 48%. 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#537AA3

RGB83, 122, 163

HSL211°, 33%, 48%

HSV211°, 49%, 64%

CMYK49, 25, 0, 36

Decimal5470883

CSS RGBrgb(83, 122, 163)

CSS HSLhsl(211, 33%, 48%)

Paint Matches — this color across 16 brands

Behr

Saltbox Blue BXC-75

Exact match

Dulux

Pacifica S37G6

ΔE 1.3 · #4E7AA3

Valspar

Burbling Brook 4007-8C

ΔE 2.9 · #5175A1

Benjamin Moore

Nile CSP-560

ΔE 3.2 · #4F729B

Kilz

Stylish Blue RC160-02

ΔE 3.2 · #5D7CA1

Sherwin-Williams

Lupine SW6810

ΔE 3.4 · #4E739F

Vista Paint

Zenith C-646

ΔE 3.7 · #49789D

Hallman-Lindsay

Zenith 647

ΔE 3.9 · #497A9F

PPG

Shrinking Violet 1162-5

ΔE 4.5 · #5D84B1

Dunn-Edwards

Clean Slate DE5880

ΔE 4.8 · #577396

RAL

Distant Blue 5023

ΔE 7.7 · #49678D

Farrow & Ball

Cook's Blue 237

ΔE 9.1 · #6A90B4

IKEA

IKEA086 86

ΔE 10.5 · #748DAC

Kobra

Blue 29

ΔE 11.7 · #1882B4

Dutch Boy

Celestial Horizon DCP-0589

ΔE 19.4 · #8FA4BF

Colorhouse

Wool .06 Wool-06

ΔE 23.1 · #485761

Light Reflectance & Undertone

Light Reflectance Value (LRV)

18/100

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

#537AA3

#A37C52

Analogous

#52A1A3

#537AA3

#5352A3

Triadic

#537AA3

#A35279

#79A352

Split-Complementary

#537AA3

#A35352

#A1A352

Tetradic

#537AA3

#A352A1

#A37C52

#52A353

Monochromatic

#1F2D3D

#385370

#537AA3

#82A0C0

#B4C6D9

Rectangle

#537AA3

#7C52A3

#A37C52

#79A352

Compound

#537AA3

#5352A3

#A37C52

#A1A352

Variations

Lighter

#7294B8

#99AFC6

#C6D0DB

Darker

#406184

#2B435C

#182736

Saturation

#6E7A87

#5279A3

#2978CC

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

4.49:1

AA Large

vs Black

4.68:1

Deuteranopia

#537AA3

#6274A4

Original → Simulated

Protanopia

#537AA3

#74749E

Original → Simulated

Tritanopia

#537AA3

#4E817B

Original → Simulated

Color Psychology

Focused · Cooling

Saltbox 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

#7E8895

Warm Bulb 2700K

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

#537AA3

Daylight 5500K

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

#6B8DBA

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.

#F7F7F8

Ceiling

Whisper tint

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

#85694B

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: #537AA3;

CSS — background

background-color: #537AA3;

CSS Variable

--color-saltbox-blue: #537AA3;

Tailwind v3 — config

colors: { 'saltbox-blue': '#537AA3' }

Tailwind — arbitrary

bg-[#537AA3] text-[#537AA3]

SCSS

$saltbox-blue: #537AA3;

Similar Colors

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#4E719A · ΔE 3.6

Winter's Eve

#40729C · ΔE 4.4

Finley Blue

#4580A8 · ΔE 5.4

Yin Yang

#6A82A8 · ΔE 5.9

Blue Nova

#5B6D92 · ΔE 7.4

Mariner's Tale

#6B8DB3 · ΔE 7.9

Old Glory

#396998 · ΔE 8.1

Lazy Sunday

#5E8FB6 · ΔE 8.4

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 #537AA3?

#537AA3 is Saltbox Blue, a mid-tone blue with a cool undertone.

Is #537AA3 warm or cool?

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

What rooms work best with Saltbox Blue?

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

What colors pair well with Saltbox Blue?

Saltbox 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 Saltbox Blue?

You can download Saltbox 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 Saltbox Blue?

The hex code is #537AA3. In RGB it's 83, 122, 163, and in HSL it's 211°, 33%, 48%.

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