REDS

Scarlet Blaze

#B21F1F

RGB 178, 31, 31 · HSL 0°, 70%, 41% · CMYK 0, 83, 83, 30

Scarlet Blaze is #B21F1F in HEX — rgb(178, 31, 31), hsl(0°, 70%, 41%), cmyk(0%, 83%, 83%, 30%).

Scarlet Blaze pulls into the rich end of the reds spectrum — HSL 0°, 70%, 41%. 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#B21F1F

RGB178, 31, 31

HSL0°, 70%, 41%

HSV0°, 83%, 70%

CMYK0, 83, 83, 30

Decimal11673375

CSS RGBrgb(178, 31, 31)

CSS HSLhsl(0, 70%, 41%)

Paint Matches — this color across 16 brands

RAL

Coral Red 3016

ΔE 2.5 · #B32821

Behr

Licorice Stick S-G-170

ΔE 5.2 · #B81225

Vista Paint

Red Red K-1219

ΔE 6 · #C4342D

Dulux

Hot Lips S05H9

ΔE 7 · #C92C2B

Sherwin-Williams

Real Red SW6868

ΔE 7 · #BF2D32

Benjamin Moore

Red 2000-10

ΔE 7.2 · #CA2F2F

Colorhouse

Create .04 Create-04

ΔE 7.3 · #B8352E

Dunn-Edwards

Hot Jazz DEA107

ΔE 7.8 · #BC3033

Dutch Boy

International Red D-6771

ΔE 9.1 · #9D0B1E

Hallman-Lindsay

Movie Star 1116

ΔE 9.3 · #C52033

Kilz

Atomic Red LH170

ΔE 10.3 · #B83236

Kobra

Red 15

ΔE 12.4 · #BD413A

Valspar

Scarlet Sun 1011-1

ΔE 13.6 · #D24B42

IKEA

IKEA130 130

ΔE 16.5 · #9B2C2C

PPG

Cinnamon Stone 1193-7

ΔE 16.7 · #C9543A

Farrow & Ball

Charlotte's Locks 268

ΔE 20.2 · #D65F3D

Light Reflectance & Undertone

Light Reflectance Value (LRV)

11/100

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

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

#B21F1F

#1FB2B2

Analogous

#B21F69

#B21F1F

#B2691F

Triadic

#B21F1F

#1FB21F

#1F1FB2

Split-Complementary

#B21F1F

#1FB269

#1F69B2

Tetradic

#B21F1F

#69B21F

#1FB2B2

#691FB2

Monochromatic

#300808

#711414

#B21F1F

#DD4040

#E98181

Rectangle

#B21F1F

#B2B21F

#1FB2B2

#1F1FB2

Compound

#B21F1F

#B2691F

#1FB2B2

#1F69B2

Variations

Lighter

#DB3232

#DA6F6F

#E4B1B1

Darker

#911616

#660D0D

#3C0707

Saturation

#7F5353

#B21F1F

#C11010

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

6.76:1

vs Black

3.11:1

AA Large

Deuteranopia

#B21F1F

#7B6F10

Original → Simulated

Protanopia

#B21F1F

#53531F

Original → Simulated

Tritanopia

#B21F1F

#B02938

Original → Simulated

Color Psychology

Bold · Energetic

Scarlet Blaze 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

#C54432

Warm Bulb 2700K

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

#B21F1F

Daylight 5500K

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

#B24957

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.

#248E8E

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: #B21F1F;

CSS — background

background-color: #B21F1F;

CSS Variable

--color-scarlet-blaze: #B21F1F;

Tailwind v3 — config

colors: { 'scarlet-blaze': '#B21F1F' }

Tailwind — arbitrary

bg-[#B21F1F] text-[#B21F1F]

SCSS

$scarlet-blaze: #B21F1F;

Similar Colors

Red

#C92E2E · ΔE 6.9

Million Dollar Red

#B5332C · ΔE 7.1

Ruby Red

#CA2C2C · ΔE 7.3

Heritage Red

#990A14 · ΔE 7.9

Neon Red

#B82D33 · ΔE 8.7

Vermilion

#CF312B · ΔE 9.1

Tomato Tango

#BF3F2D · ΔE 9.2

Redstone

#D33B2B · 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 #B21F1F?

#B21F1F is Scarlet Blaze, a mid-tone red with a warm undertone.

Is #B21F1F warm or cool?

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

What rooms work best with Scarlet Blaze?

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

What colors pair well with Scarlet Blaze?

Scarlet Blaze 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 Scarlet Blaze?

You can download Scarlet Blaze 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 Scarlet Blaze?

The hex code is #B21F1F. In RGB it's 178, 31, 31, and in HSL it's 0°, 70%, 41%.

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