BLUES

Impression of Obscurity

#1A2578

RGB 26, 37, 120 · HSL 233°, 64%, 29% · CMYK 78, 69, 0, 53

Impression of Obscurity is #1A2578 in HEX — rgb(26, 37, 120), hsl(233°, 64%, 29%), cmyk(78%, 69%, 0%, 53%).

Impression of Obscurity pulls into the deep end of the blues spectrum — HSL 233°, 64%, 29%. 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#1A2578

RGB26, 37, 120

HSL233°, 64%, 29%

HSV233°, 78%, 47%

CMYK78, 69, 0, 53

Decimal1713528

CSS RGBrgb(26, 37, 120)

CSS HSLhsl(233, 64%, 29%)

Paint Matches — this color across 16 brands

Behr

Midnight Sky S-H-620

ΔE 5 · #1C2F80

Dutch Boy

Blue Royale VS-9550

ΔE 12.1 · #243F90

RAL

Signal Blue 5005

ΔE 12.7 · #1E2D6E

Vista Paint

Evening Magic K-96

ΔE 18.5 · #343C79

Colorhouse

Petal .05 Petal-05

ΔE 19.2 · #1F4992

Benjamin Moore

Blue 2066-10

ΔE 20 · #243973

Hallman-Lindsay

Blue Highlight 613

ΔE 21.7 · #324A8B

Dulux

Brilliant Purple SB8G8

ΔE 23 · #4D4985

Dunn-Edwards

Beaded Blue DE5909

ΔE 23.3 · #494D8B

PPG

Crushed Velvet 1245-7

ΔE 23.3 · #445397

Valspar

Homecoming Blue 4009-9

ΔE 27.7 · #484E83

Sherwin-Williams

Morning Glory SW6971

ΔE 28 · #3C4C80

Kilz

Superstition RH250

ΔE 29.1 · #604C7F

Kobra

Violet 26

ΔE 33.8 · #7B598F

IKEA

IKEA128 128

ΔE 37.5 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 45.9 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

3/100

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

#1A2578

#796E1B

Analogous

#1B5579

#1A2578

#3F1B79

Triadic

#1A2578

#791B26

#26791B

Split-Complementary

#1A2578

#793F1B

#55791B

Tetradic

#1A2578

#791B55

#796E1B

#1B793F

Monochromatic

#050615

#0D123B

#1A2578

#2839B8

#5463D9

Rectangle

#1A2578

#6E1B79

#796E1B

#26791B

Compound

#1A2578

#3F1B79

#796E1B

#55791B

Variations

Lighter

#2838B5

#5765CD

#A3AADC

Darker

#131D63

#0C1345

#060A29

Saturation

#3C3F58

#1B2679

#0D1B87

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

13.29:1

AAA

vs Black

1.58:1

Fail

Deuteranopia

#1A2578

#003178

Original → Simulated

Protanopia

#1A2578

#232371

Original → Simulated

Tritanopia

#1A2578

#003C2F

Original → Simulated

Color Psychology

Focused · Cooling

Impression of Obscurity 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

#534875

Warm Bulb 2700K

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

#1A2578

Daylight 5500K

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

#404D99

Cool Bulb 6500K

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

Pairs With

#E8E9ED

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.

#61591D

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: #1A2578;

CSS — background

background-color: #1A2578;

CSS Variable

--color-impression-of-obscurity: #1A2578;

Tailwind v3 — config

colors: { 'impression-of-obscurity': '#1A2578' }

Tailwind — arbitrary

bg-[#1A2578] text-[#1A2578]

SCSS

$impression-of-obscurity: #1A2578;

Similar Colors

Blue

#233872 · ΔE 19.8

Warriors Blue

#00498D · ΔE 22.4

Starry Night Blue

#334076 · ΔE 23.6

Basic Blue

#3F457D · ΔE 23.6

Scandinavian Blue

#4E4E8C · ΔE 23.7

Evening Blue

#004E93 · ΔE 24.0

Delphinium

#304C89 · ΔE 24.3

Twilight Blue

#365496 · ΔE 25.1

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 #1A2578?

#1A2578 is Impression of Obscurity, a deep blue with a cool undertone.

Is #1A2578 warm or cool?

Impression of Obscurity reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Impression of Obscurity?

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

What colors pair well with Impression of Obscurity?

Impression of Obscurity 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 Impression of Obscurity?

You can download Impression of Obscurity 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 Impression of Obscurity?

The hex code is #1A2578. In RGB it's 26, 37, 120, and in HSL it's 233°, 64%, 29%.

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