BLUES

Passionate Blue

#1F3465

RGB 31, 52, 101 · HSL 222°, 53%, 26% · CMYK 69, 49, 0, 60

Passionate Blue is #1F3465 in HEX — rgb(31, 52, 101), hsl(222°, 53%, 26%), cmyk(69%, 49%, 0%, 60%).

Passionate Blue pulls into the deep end of the blues spectrum — HSL 222°, 53%, 26%. 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#1F3465

RGB31, 52, 101

HSL222°, 53%, 26%

HSV222°, 69%, 40%

CMYK69, 49, 0, 60

Decimal2045029

CSS RGBrgb(31, 52, 101)

CSS HSLhsl(222, 53%, 26%)

Paint Matches — this color across 16 brands

Dulux

Passionate Blue S41H9

ΔE 1.8 · #1F3665

Behr

Soulful Music 600F-7

ΔE 3.4 · #1D315D

Benjamin Moore

Admiral 2065-10

ΔE 4.9 · #2C3863

Hallman-Lindsay

Newport Indigo historic-newport-indigo

ΔE 5 · #313D6C

RAL

Traffic Blue 5017

ΔE 5.7 · #063971

Dutch Boy

Delft Blue 7447

ΔE 8.1 · #003B67

Dunn-Edwards

Cobalt DEA140

ΔE 8.3 · #3C4378

Vista Paint

Frozen Blue C-605

ΔE 8.5 · #353C77

Sherwin-Williams

Valiant Violet SW6818

ΔE 8.6 · #3E4371

PPG

Daring Indigo 1166-7 · 13-25

ΔE 9.8 · #374874

Kilz

Indigo RH220

ΔE 10.8 · #314973

Valspar

Spirit Blue 4011-9

ΔE 12.1 · #49456F

Kobra

Blue 30

ΔE 16.3 · #195584

Colorhouse

Petal .05 Petal-05

ΔE 16.5 · #1F4992

IKEA

IKEA122 122

ΔE 18.1 · #3A5170

Farrow & Ball

Pitch Blue 220

ΔE 27.5 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

4/100

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 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

#1F3465

#65501F

Analogous

#1F5765

#1F3465

#2D1F65

Triadic

#1F3465

#651F34

#34651F

Split-Complementary

#1F3465

#652D1F

#57651F

Tetradic

#1F3465

#651F57

#65501F

#1F652D

Monochromatic

#060A14

#0D162B

#1F3465

#3152A0

#5377CA

Rectangle

#1F3465

#501F65

#65501F

#34651F

Compound

#1F3465

#2D1F65

#65501F

#57651F

Variations

Lighter

#31529F

#5B79C1

#A4B3D5

Darker

#182953

#0F1C3A

#081022

Saturation

#383E4D

#1F3465

#102E75

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

12.09:1

AAA

vs Black

1.74:1

Fail

Deuteranopia

#1F3465

#1B3565

Original → Simulated

Protanopia

#1F3465

#313160

Original → Simulated

Tritanopia

#1F3465

#133F37

Original → Simulated

Color Psychology

Focused · Cooling

Passionate 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

#575467

Warm Bulb 2700K

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

#1F3465

Daylight 5500K

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

#44598B

Cool Bulb 6500K

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

Pairs With

#E9EAED

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.

#52431F

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: #1F3465;

CSS — background

background-color: #1F3465;

CSS Variable

--color-passionate-blue: #1F3465;

Tailwind v3 — config

colors: { 'passionate-blue': '#1F3465' }

Tailwind — arbitrary

bg-[#1F3465] text-[#1F3465]

SCSS

$passionate-blue: #1F3465;

Similar Colors

Admiral Blue

#2B3762 · ΔE 4.6

Blue

#233872 · ΔE 6.0

Starry Night Blue

#334076 · ΔE 6.6

Blue Grotto

#353963 · ΔE 6.8

Grape Gum

#413D6D · ΔE 8.7

Bold Blue

#2B3558 · ΔE 9.4

Basic Blue

#3F457D · ΔE 9.9

Midnight Navy

#333356 · ΔE 10.2

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 #1F3465?

#1F3465 is Passionate Blue, a deep blue with a cool undertone.

Is #1F3465 warm or cool?

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

What rooms work best with Passionate Blue?

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

What colors pair well with Passionate Blue?

Passionate 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 Passionate Blue?

You can download Passionate 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 Passionate Blue?

The hex code is #1F3465. In RGB it's 31, 52, 101, and in HSL it's 222°, 53%, 26%.

← All colors