BLUES

Tiber River

#4B8599

RGB 75, 133, 153 · HSL 195°, 34%, 45% · CMYK 51, 13, 0, 40

Tiber River is #4B8599 in HEX — rgb(75, 133, 153), hsl(195°, 34%, 45%), cmyk(51%, 13%, 0%, 40%).

Tiber River pulls into the mid-tone end of the blues spectrum — HSL 195°, 34%, 45%. 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#4B8599

RGB75, 133, 153

HSL195°, 34%, 45%

HSV195°, 51%, 60%

CMYK51, 13, 0, 40

Decimal4949401

CSS RGBrgb(75, 133, 153)

CSS HSLhsl(195, 34%, 45%)

Paint Matches — this color across 16 brands

Kilz

Tiber River RE110-01

Exact match

Benjamin Moore

Fiji AF-525

ΔE 2.8 · #4F8093

Dulux

Cossack Dancer S34B4

ΔE 3.2 · #4D8DA1

Sherwin-Williams

Secure Blue SW6508

ΔE 3.3 · #5389A1

Dunn-Edwards

Raging Tide DE5809

ΔE 3.5 · #5187A0

Behr

Smokey Blue 540F-5

ΔE 5.3 · #528590

Valspar

Roadster Blue 4006-6B

ΔE 5.5 · #5A859E

PPG

Adventure 1151-6

ΔE 5.8 · #34788C

Vista Paint

Wish Upon a Star C-667

ΔE 6.1 · #417C88

Hallman-Lindsay

Wish Upon A Star 668

ΔE 6.1 · #447F8A

IKEA

IKEA120 120

ΔE 8.4 · #6C8EA3

RAL

Turquoise Blue 5018

ΔE 9.4 · #3F888F

Farrow & Ball

Vardo 288

ΔE 9.7 · #427E83

Colorhouse

Dream .06 Dream-06

ΔE 13 · #0E707B

Dutch Boy

Ocean Blue D-6743

ΔE 13.1 · #4C6A74

Kobra

Grey 42

ΔE 17.7 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

21/100

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

#4B8599

#9A5F4C

Analogous

#4C9A86

#4B8599

#4C5F9A

Triadic

#4B8599

#9A4C86

#869A4C

Split-Complementary

#4B8599

#9A4C5F

#9A864C

Tetradic

#4B8599

#864C9A

#9A5F4C

#5F9A4C

Monochromatic

#192D33

#325A67

#4B8599

#76AABC

#AACAD5

Rectangle

#4B8599

#5F4C9A

#9A5F4C

#869A4C

Compound

#4B8599

#4C5F9A

#9A5F4C

#9A864C

Variations

Lighter

#69A2B5

#93B7C3

#C2D4DA

Darker

#3B6C7D

#284B57

#162C33

Saturation

#67797E

#4C869A

#2699C0

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

4.11:1

AA Large

vs Black

5.11:1

Deuteranopia

#4B8599

#6C789A

Original → Simulated

Protanopia

#4B8599

#7D7D97

Original → Simulated

Tritanopia

#4B8599

#4A8884

Original → Simulated

Color Psychology

Focused · Cooling

Tiber River 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

#78908E

Warm Bulb 2700K

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

#4B8599

Daylight 5500K

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

#6595B2

Cool Bulb 6500K

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

Pairs With

#E9EBEC

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.

#7E5345

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: #4B8599;

CSS — background

background-color: #4B8599;

CSS Variable

--color-tiber-river: #4B8599;

Tailwind v3 — config

colors: { 'tiber-river': '#4B8599' }

Tailwind — arbitrary

bg-[#4B8599] text-[#4B8599]

SCSS

$tiber-river: #4B8599;

Similar Colors

Fiji

#4E7F92 · ΔE 3.0

Blue Daisy

#548DA7 · ΔE 4.8

Azurite

#517C8E · ΔE 4.9

Randolph Blue

#3C829F · ΔE 5.7

Buckland Blue

#618697 · ΔE 6.0

Blue Nose

#63879F · ΔE 7.2

Salzburg Blue

#2C8392 · ΔE 7.6

Blue Toile

#5598A9 · ΔE 7.6

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 #4B8599?

#4B8599 is Tiber River, a mid-tone blue with a cool undertone.

Is #4B8599 warm or cool?

Tiber River reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Tiber River?

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

What colors pair well with Tiber River?

Tiber River 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 Tiber River?

You can download Tiber River 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 Tiber River?

The hex code is #4B8599. In RGB it's 75, 133, 153, and in HSL it's 195°, 34%, 45%.

← All colors