BLUES

Optimum Blue

#465A7F

RGB 70, 90, 127 · HSL 219°, 29%, 39% · CMYK 45, 29, 0, 50

Optimum Blue is #465A7F in HEX — rgb(70, 90, 127), hsl(219°, 29%, 39%), cmyk(45%, 29%, 0%, 50%).

Optimum Blue pulls into the rich end of the blues spectrum — HSL 219°, 29%, 39%. 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#465A7F

RGB70, 90, 127

HSL219°, 29%, 39%

HSV219°, 45%, 50%

CMYK45, 29, 0, 50

Decimal4610687

CSS RGBrgb(70, 90, 127)

CSS HSLhsl(219, 29%, 39%)

Paint Matches — this color across 16 brands

Valspar

Precious Sapphire 4010-7

ΔE 0.6 · #44597E

Behr

Mysterious Night S550-6

ΔE 1.5 · #44587F

Kilz

Atlas Blue RC110-02

ΔE 2.5 · #3F5A82

Dulux

Alpha Centuri S41E7

ΔE 3.9 · #4D5878

Dunn-Edwards

Newbury Port DE5881

ΔE 3.9 · #445A79

RAL

Brillant Blue 5007

ΔE 4.9 · #3E5F8A

IKEA

IKEA122 122

ΔE 5.6 · #3A5170

Benjamin Moore

Prussian CW-625

ΔE 5.9 · #335B7E

Vista Paint

Hondy Tonk Blue C-618

ΔE 6.1 · #43668B

Sherwin-Williams

Luxe Blue SW6537

ΔE 6.8 · #516582

PPG

Egyptian Violet 1168-7

ΔE 7.2 · #3D496D

Hallman-Lindsay

Happy Tune 648

ΔE 7.6 · #345875

Farrow & Ball

Pitch Blue 220

ΔE 9.5 · #636E8F

Kobra

Blue 30

ΔE 10.1 · #195584

Dutch Boy

Royal Blue D-6740

ΔE 15.4 · #1D375C

Colorhouse

Wool .06 Wool-06

ΔE 16.8 · #485761

Light Reflectance & Undertone

Light Reflectance Value (LRV)

10/100

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

#465A7F

#806C47

Analogous

#477880

#465A7F

#4F4780

Triadic

#465A7F

#80475B

#5B8047

Split-Complementary

#465A7F

#804F47

#788047

Tetradic

#465A7F

#804778

#806C47

#47804F

Monochromatic

#10151E

#2B384F

#465A7F

#687FAC

#99A9C7

Rectangle

#465A7F

#6C4780

#806C47

#5B8047

Compound

#465A7F

#4F4780

#806C47

#788047

Variations

Lighter

#5E78A7

#8B9BB9

#BEC5D4

Darker

#374868

#253148

#151D2A

Saturation

#5B616C

#475B80

#2350A4

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

6.93:1

vs Black

3.03:1

AA Large

Deuteranopia

#465A7F

#4A5880

Original → Simulated

Protanopia

#465A7F

#57577B

Original → Simulated

Tritanopia

#465A7F

#42615C

Original → Simulated

Color Psychology

Focused · Cooling

Optimum 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

#74707A

Warm Bulb 2700K

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

#465A7F

Daylight 5500K

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

#61759F

Cool Bulb 6500K

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

Pairs With

#EAEAEC

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.

#6A5B3F

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: #465A7F;

CSS — background

background-color: #465A7F;

CSS Variable

--color-optimum-blue: #465A7F;

Tailwind v3 — config

colors: { 'optimum-blue': '#465A7F' }

Tailwind — arbitrary

bg-[#465A7F] text-[#465A7F]

SCSS

$optimum-blue: #465A7F;

Similar Colors

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#325A7D · ΔE 5.9

New York State of Mind

#355473 · ΔE 6.1

Indi Go-Go

#445772 · ΔE 6.3

Fancy Pants

#53618F · ΔE 6.8

Darkest Grape

#5C5A7C · ΔE 7.6

Blue Nova

#5B6D92 · ΔE 7.9

Kensington Blue

#4B5A71 · ΔE 8.7

Blue Suede Shoes

#2F5688 · ΔE 9.0

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 #465A7F?

#465A7F is Optimum Blue, a deep blue with a cool undertone.

Is #465A7F warm or cool?

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

What rooms work best with Optimum Blue?

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

What colors pair well with Optimum Blue?

Optimum 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 Optimum Blue?

You can download Optimum 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 Optimum Blue?

The hex code is #465A7F. In RGB it's 70, 90, 127, and in HSL it's 219°, 29%, 39%.

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