REDS

Shinshu

#8F1D21

RGB 143, 29, 33 · HSL 358°, 66%, 34% · CMYK 0, 80, 77, 44

Shinshu is #8F1D21 in HEX — rgb(143, 29, 33), hsl(358°, 66%, 34%), cmyk(0%, 80%, 77%, 44%).

Shinshu pulls into the rich end of the reds spectrum — HSL 358°, 66%, 34%. The balanced saturation makes it confident without overpowering, 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#8F1D21

RGB143, 29, 33

HSL358°, 66%, 34%

HSV358°, 80%, 56%

CMYK0, 80, 77, 44

Decimal9379105

CSS RGBrgb(143, 29, 33)

CSS HSLhsl(358, 66%, 34%)

Paint Matches — this color across 16 brands

Behr

Rodeo Red 200D-7

ΔE 4.7 · #9B2B27

IKEA

IKEA130 130

ΔE 4.7 · #9B2C2C

Vista Paint

Siren C-1116

ΔE 5.2 · #9E2B2E

Benjamin Moore

Caliente AF-290

ΔE 6.6 · #8B2829

Dulux

Wicked Red SB7E7

ΔE 6.7 · #A0322C

Hallman-Lindsay

Siren 1117

ΔE 7.2 · #A22E34

RAL

Ruby Red 3003

ΔE 7.8 · #9B111E

Sherwin-Williams

Heartthrob SW6866

ΔE 8 · #A82E33

Dunn-Edwards

Red Ink DEA151

ΔE 9.1 · #AC3235

Dutch Boy

International Red D-6771

ΔE 9.3 · #9D0B1E

Kilz

Fahrenheit LH180

ΔE 9.5 · #9D3A2F

Colorhouse

Create .05 Create-05

ΔE 9.5 · #942A35

PPG

Red Gumball 1187-7

ΔE 11 · #AC3A3E

Valspar

Classic Red 1009-2

ΔE 11.4 · #AE373F

Kobra

Red 16

ΔE 13.3 · #9A4039

Farrow & Ball

Incarnadine 248

ΔE 15.5 · #A04344

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

#8F1D21

#1D908C

Analogous

#901D5B

#8F1D21

#90531D

Triadic

#8F1D21

#21901D

#1D2190

Split-Complementary

#8F1D21

#1D9053

#1D5B90

Tetradic

#8F1D21

#5B901D

#1D908C

#531D90

Monochromatic

#150405

#501013

#8F1D21

#CF2A30

#E0676B

Rectangle

#8F1D21

#908C1D

#1D908C

#1D2190

Compound

#8F1D21

#90531D

#1D908C

#1D5B90

Variations

Lighter

#C8292E

#D36165

#DFA9AB

Darker

#751518

#520D0F

#310708

Saturation

#684647

#901D21

#9F0F14

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

8.88:1

AAA

vs Black

2.37:1

Fail

Deuteranopia

#8F1D21

#635A1A

Original → Simulated

Protanopia

#8F1D21

#434321

Original → Simulated

Tritanopia

#8F1D21

#8D242F

Original → Simulated

Color Psychology

Bold · Energetic

Shinshu 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

#AB4234

Warm Bulb 2700K

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

#8F1D21

Daylight 5500K

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

#984758

Cool Bulb 6500K

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

Pairs With

#EDE8E8

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.

#207370

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: #8F1D21;

CSS — background

background-color: #8F1D21;

CSS Variable

--color-shinshu: #8F1D21;

Tailwind v3 — config

colors: { 'shinshu': '#8F1D21' }

Tailwind — arbitrary

bg-[#8F1D21] text-[#8F1D21]

SCSS

$shinshu: #8F1D21;

Similar Colors

Caliente

#8A2728 · ΔE 6.5

Flamenco

#A02432 · ΔE 7.4

Deep Rose

#A0372F · ΔE 8.1

Hot Tamale

#A93434 · ΔE 8.5

Smoldering Red

#A33A2D · ΔE 9.7

Rapture

#9C2E3B · ΔE 10.8

Merlot Red

#9D3D2D · ΔE 11.1

Heritage Red

#990A14 · ΔE 11.1

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 #8F1D21?

#8F1D21 is Shinshu, a deep red with a warm undertone.

Is #8F1D21 warm or cool?

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

What rooms work best with Shinshu?

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

What colors pair well with Shinshu?

Shinshu 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 Shinshu?

You can download Shinshu 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 Shinshu?

The hex code is #8F1D21. In RGB it's 143, 29, 33, and in HSL it's 358°, 66%, 34%.

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