BLUES

Blue

#308EC5

RGB 48, 142, 197 · HSL 202°, 61%, 48% · CMYK 76, 28, 0, 23

Blue is #308EC5 in HEX — rgb(48, 142, 197), hsl(202°, 61%, 48%), cmyk(76%, 28%, 0%, 23%).

Blue pulls into the mid-tone end of the blues spectrum — HSL 202°, 61%, 48%. 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#308EC5

RGB48, 142, 197

HSL202°, 61%, 48%

HSV202°, 76%, 77%

CMYK76, 28, 0, 23

Decimal3182277

CSS RGBrgb(48, 142, 197)

CSS HSLhsl(202, 61%, 48%)

Paint Matches — this color across 16 brands

Dunn-Edwards

Splish Splash DE5844

ΔE 2.7 · #3194CE

Behr

Celebration Blue MQ4-57

ΔE 3.5 · #008DC8

Benjamin Moore

Clearest 2064-40

ΔE 3.6 · #3296CB

Valspar

Blue Burst 4008-10B

ΔE 3.6 · #3097D0

Dulux

Phuket Palette S35G5

ΔE 3.8 · #0486BE

PPG

Sorcerer 1240-5

ΔE 4.1 · #3398CE

Sherwin-Williams

Dynamic Blue SW6958

ΔE 5.1 · #0192C6

Kobra

Blue 29

ΔE 5.5 · #1882B4

RAL

Light Blue 5012

ΔE 6.1 · #3B83BD

Vista Paint

Hidden Springs K-145

ΔE 6.8 · #1A84B2

Kilz

Coast Drive TB-46

ΔE 7 · #599ACD

Hallman-Lindsay

Acapulco Dive 639

ΔE 10.8 · #65A7DD

Farrow & Ball

St Giles Blue 280

ΔE 12 · #599EC4

IKEA

IKEA128 128

ΔE 16 · #4A72B0

Dutch Boy

Celestial Horizon DCP-0589

ΔE 23.8 · #8FA4BF

Colorhouse

Dream .06 Dream-06

ΔE 29.3 · #0E707B

Light Reflectance & Undertone

Light Reflectance Value (LRV)

24/100

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

#308EC5

#C56630

Analogous

#30C5B1

#308EC5

#3044C5

Triadic

#308EC5

#C5308E

#8EC530

Split-Complementary

#308EC5

#C53044

#C5B130

Tetradic

#308EC5

#B130C5

#C56630

#44C530

Monochromatic

#12354A

#216287

#308EC5

#67B0DA

#A5D0E9

Rectangle

#308EC5

#6630C5

#C56630

#8EC530

Compound

#308EC5

#3044C5

#C56630

#C5B130

Variations

Lighter

#54A6D6

#86BAD9

#BDD6E4

Darker

#2373A1

#164F70

#0C2E43

Saturation

#648091

#308EC5

#1895DD

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

3.62:1

AA Large

vs Black

5.80:1

Deuteranopia

#308EC5

#6380C6

Original → Simulated

Protanopia

#308EC5

#8484BF

Original → Simulated

Tritanopia

#308EC5

#1F988F

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

#6397AF

Warm Bulb 2700K

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

#308EC5

Daylight 5500K

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

#519CD3

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.

#9E5A32

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: #308EC5;

CSS — background

background-color: #308EC5;

CSS Variable

--color-blue: #308EC5;

Tailwind v3 — config

colors: { 'blue': '#308EC5' }

Tailwind — arbitrary

bg-[#308EC5] text-[#308EC5]

SCSS

$blue: #308EC5;

Similar Colors

Clearest Ocean Blue

#3195CA · ΔE 3.2

Utah Sky

#1C94D0 · ΔE 4.0

Bayberry Blue

#3F9DD1 · ΔE 6.1

Rocky Mountain Sky

#0F97D8 · ΔE 6.7

Sailor's Sea Blue

#4A93BE · ΔE 7.5

Lake Tahoe

#4298C4 · ΔE 7.7

Waterloo

#5F8EC2 · ΔE 8.8

Electric Blue

#3E90B8 · ΔE 8.8

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 #308EC5?

#308EC5 is Blue, a mid-tone blue with a cool undertone.

Is #308EC5 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 #308EC5. In RGB it's 48, 142, 197, and in HSL it's 202°, 61%, 48%.

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