REDS

Estroruby

#9B101F

RGB 155, 16, 31 · HSL 354°, 81%, 34% · CMYK 0, 90, 80, 39

Estroruby is #9B101F in HEX — rgb(155, 16, 31), hsl(354°, 81%, 34%), cmyk(0%, 90%, 80%, 39%).

Estroruby pulls into the rich end of the reds spectrum — HSL 354°, 81%, 34%. The saturated saturation makes it bold and immediate, and the hue reads warm. In interior projects it shines on feature walls, dining rooms, hallways — anywhere you want energy. Reads best alongside cream walls, oak furniture, brass, soft black trim.

Color Codes

HEX#9B101F

RGB155, 16, 31

HSL354°, 81%, 34%

HSV354°, 90%, 61%

CMYK0, 90, 80, 39

Decimal10162207

CSS RGBrgb(155, 16, 31)

CSS HSLhsl(354, 81%, 34%)

Paint Matches — this color across 16 brands

RAL

Ruby Red 3003

ΔE 0.7 · #9B111E

Dutch Boy

International Red D-6771

ΔE 1.6 · #9D0B1E

Benjamin Moore

Heritage HC-181

ΔE 5.1 · #9A0B15

Behr

Red Tomato 170B-7

ΔE 6.1 · #AE1B27

Dulux

Ryan Red S04G9

ΔE 6.7 · #AA2C2D

Vista Paint

Unmatched Beauty C-1109

ΔE 7.9 · #B02D33

Sherwin-Williams

Positive Red SW6871

ΔE 8 · #AD2C34

Hallman-Lindsay

Unmatched Beauty 1110

ΔE 8.4 · #B12D35

Dunn-Edwards

Red Contrast DEA106

ΔE 8.9 · #B33234

IKEA

IKEA130 130

ΔE 9.4 · #9B2C2C

Kilz

Atomic Red LH170

ΔE 9.7 · #B83236

Colorhouse

Create .04 Create-04

ΔE 10.6 · #B8352E

Valspar

Classic Red 1009-2

ΔE 13 · #AE373F

Kobra

Red 15

ΔE 13.4 · #BD413A

PPG

Red Gumball 1187-7

ΔE 13.5 · #AC3A3E

Farrow & Ball

Blazer 212

ΔE 19.8 · #B64F48

Light Reflectance & Undertone

Light Reflectance Value (LRV)

7/100

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

TemperatureWarm MasstoneRed UndertonePink

Reads as a warm red with a pink undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#9B101F

#109D8F

Analogous

#9D1065

#9B101F

#9D4910

Triadic

#9B101F

#1F9D10

#101F9D

Split-Complementary

#9B101F

#109D49

#10659D

Tetradic

#9B101F

#659D10

#109D8F

#49109D

Monochromatic

#170204

#580911

#9B101F

#E2182C

#EE5968

Rectangle

#9B101F

#9D8F10

#109D8F

#101F9D

Compound

#9B101F

#9D4910

#109D8F

#10659D

Variations

Lighter

#DA172A

#E05462

#E5A3A9

Darker

#800A16

#5A050E

#360207

Saturation

#6C4246

#9D101F

#A50818

Interior Use

Best Rooms

dining rooms, hallways, feature walls

Best Uses

accent walls, doors, statement furniture

Pairs With

cream walls, oak furniture, brass, soft black trim

Accessibility (WCAG)

vs White

8.44:1

AAA

vs Black

2.49:1

Fail

Deuteranopia

#9B101F

#695F15

Original → Simulated

Protanopia

#9B101F

#45451D

Original → Simulated

Tritanopia

#9B101F

#991E2C

Original → Simulated

Color Psychology

Bold · Energetic

Estroruby carries the unmistakable charge of red — it raises pulse and appetite, draws the eye first in any room, and refuses to recede. Use it where you want presence: dining rooms that should feel social, hallways that need a focal point, front doors that announce arrival.

SymbolismPassion, urgency, vitality

PersonalityConfident, expressive, daring

energyappetitefocalsocialwarmthstatement

How it looks under different light

#B43932

Warm Bulb 2700K

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

#9B101F

Daylight 5500K

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

#A13E57

Cool Bulb 6500K

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

Pairs With

#EEE8E8

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F8F7F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#177C72

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: #9B101F;

CSS — background

background-color: #9B101F;

CSS Variable

--color-estroruby: #9B101F;

Tailwind v3 — config

colors: { 'estroruby': '#9B101F' }

Tailwind — arbitrary

bg-[#9B101F] text-[#9B101F]

SCSS

$estroruby: #9B101F;

Similar Colors

Heritage Red

#990A14 · ΔE 5.4

Exotic Red

#B32735 · ΔE 8.5

Flamenco

#A02432 · ΔE 9.0

Neon Red

#B82D33 · ΔE 9.1

Million Dollar Red

#B5332C · ΔE 9.9

Hot Tamale

#A93434 · ΔE 9.9

Candy Cane Red

#AA253C · ΔE 12.2

Deep Rose

#A0372F · ΔE 12.3

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 #9B101F?

#9B101F is Estroruby, a deep red with a warm undertone.

Is #9B101F warm or cool?

Estroruby reads warm, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Estroruby?

Estroruby works well in dining rooms, hallways, feature walls. Designers typically use it for accent walls, doors, statement furniture.

What colors pair well with Estroruby?

Estroruby pairs naturally with cream walls, oak furniture, brass, soft black trim. Its complementary color is also a strong contrast option for accents.

Where can I download Estroruby?

You can download Estroruby 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 Estroruby?

The hex code is #9B101F. In RGB it's 155, 16, 31, and in HSL it's 354°, 81%, 34%.

← All colors