BLUES

Blue Dart

#518FD1

RGB 81, 143, 209 · HSL 211°, 58%, 57% · CMYK 61, 32, 0, 18

Blue Dart is #518FD1 in HEX — rgb(81, 143, 209), hsl(211°, 58%, 57%), cmyk(61%, 32%, 0%, 18%).

Blue Dart pulls into the mid-tone end of the blues spectrum — HSL 211°, 58%, 57%. 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#518FD1

RGB81, 143, 209

HSL211°, 58%, 57%

HSV211°, 61%, 82%

CMYK61, 32, 0, 18

Decimal5345233

CSS RGBrgb(81, 143, 209)

CSS HSLhsl(211, 58%, 57%)

Paint Matches — this color across 16 brands

PPG

Blue Dart 1243-5

Exact match

Behr

Cowgirl Blue M530-5

ΔE 2.7 · #5D94D4

Dunn-Edwards

Safe Harbor DE5865

ΔE 3.4 · #4A87CB

Dulux

Casting Sea S39H5

ΔE 4 · #458AC7

Valspar

Star Gazer 4008-8B

ΔE 5.3 · #508BC4

Benjamin Moore

Blue 2067-40

ΔE 5.5 · #638AC7

Vista Paint

Breathtaking Blue K-130

ΔE 5.5 · #569AD7

Hallman-Lindsay

Bashful Blue 611

ΔE 5.9 · #6994CF

RAL

Light Blue 5012

ΔE 7 · #3B83BD

Kilz

Coast Drive TB-46

ΔE 10.1 · #599ACD

IKEA

IKEA128 128

ΔE 11.7 · #4A72B0

Kobra

Blue 29

ΔE 13.6 · #1882B4

Sherwin-Williams

Dynamic Blue SW6958

ΔE 14.4 · #0192C6

Farrow & Ball

Cook's Blue 237

ΔE 17.3 · #6A90B4

Dutch Boy

Blue Sea VS-9451

ΔE 20 · #2D61AD

Colorhouse

Petal .05 Petal-05

ΔE 29.3 · #1F4992

Light Reflectance & Undertone

Light Reflectance Value (LRV)

26/100

Medium

0 · DarkLight · 100

Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.

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

#518FD1

#D19352

Analogous

#52CFD1

#518FD1

#5452D1

Triadic

#518FD1

#D1528F

#8FD152

Split-Complementary

#518FD1

#D15452

#CFD152

Tetradic

#518FD1

#D152CF

#D19352

#52D154

Monochromatic

#1D446D

#2D69A9

#518FD1

#8EB6E1

#CBDDF1

Rectangle

#518FD1

#9352D1

#D19352

#8FD152

Compound

#518FD1

#5452D1

#D19352

#CFD152

Variations

Lighter

#74A6DA

#9DBCDE

#C9D8E8

Darker

#2D72BB

#1D4E83

#0F2D4E

Saturation

#7E91A4

#528FD1

#3B8EE8

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

3.39:1

AA Large

vs Black

6.20:1

Deuteranopia

#518FD1

#6887D2

Original → Simulated

Protanopia

#518FD1

#8787CA

Original → Simulated

Tritanopia

#518FD1

#459B91

Original → Simulated

Color Psychology

Focused · Cooling

Blue Dart 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

#7C98B8

Warm Bulb 2700K

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

#518FD1

Daylight 5500K

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

#699DDC

Cool Bulb 6500K

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

Pairs With

#E8EBED

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.

#B87E3F

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 · Trim · Soft furniture

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: #518FD1;

CSS — background

background-color: #518FD1;

CSS Variable

--color-blue-dart: #518FD1;

Tailwind v3 — config

colors: { 'blue-dart': '#518FD1' }

Tailwind — arbitrary

bg-[#518FD1] text-[#518FD1]

SCSS

$blue-dart: #518FD1;

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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 #518FD1?

#518FD1 is Blue Dart, a mid-tone blue with a cool undertone.

Is #518FD1 warm or cool?

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

What rooms work best with Blue Dart?

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

What colors pair well with Blue Dart?

Blue Dart 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 Dart?

You can download Blue Dart 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 Dart?

The hex code is #518FD1. In RGB it's 81, 143, 209, and in HSL it's 211°, 58%, 57%.

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