Firebrick Red

Natural hue of refractory bricks, muted brick red with steady practical character

HEX#B22222

RGBrgb(178, 34, 34)

HSLhsl(0, 68%, 42%)

HSVhsv(0, 81%, 70%)

CMYKcmyk(0%, 81%, 81%, 30%)

HEXA#B22222FF

RGBArgba(178, 34, 34, 1)

HSLAhsla(0, 68%, 42%, 1)

OKLCHoklch(65%, 0.145, 22)

LCHlch(57.4%, 43.5, 26)

🎨 Color Palettes

Analogous2-3 adjacent hues (≤60°)

Triadic3 hues spaced 120° apart

Split ComplementaryMain color + colors adjacent to its complement

Complementary2 hues spaced 180° apart

Tetradic (Rectangle)4 hues forming a rectangle

MonochromaticSingle hue with varying saturation and lightness

♿ WCAG Contrast Colors

Learn More →

Aa14px Body

High Contrast Text

#FFFFFFRatio 6.7:1AA

Suitable for body text, headings, and primary content, ensuring readability for all users

Aa14px Body

Standard Text

#EFCFAERatio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#B4B422Ratio 3:1AA Large

Suitable for large text (≥18px bold or ≥24px), icons, UI component boundaries

Aa14px Body

Decorative / Dividers

#22B422Ratio 2.4:1Fail

Suitable for decorative elements, dividers, non-essential text

📊 Color Scales

Online Color Picker → Gradient Generator →

Lightness VariationFixed hue and saturation, proportional lightness scaling 30%→100%

#380B0B

#4D0F0F

#5E1212

#741616

#891A1A

#9F1E1E

#B42222

Saturation VariationFixed hue and lightness, proportional saturation scaling 40%→100%

#884E4E

#904747

#973F3F

#9F3838

#A53131

#AC2A2A

#B42222

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#281B1B

#3B2121

#4C2424

#632727

#7C2727

#972626

#B42222

Hue Fine-TuningFixed saturation and lightness, stepwise hue fine-tuning ±15°

#B42247

#B4223B

#B4222E

#B42222

#B42E22

#B43B22

#B44722

💡 Use Cases

🏫

Higher Education Campuses

Exterior finish for century-old brick university buildings, narrating academic solemnity and heritage amid creeping vines.

🧱

Accent Walls

Interior brickwork for creative industrial parks; paired with vintage posters and neon lights to interpret rugged retro industrial aesthetics.

🏠

American Townhouses

Facade brick tone for urban townhouses, establishing unified neighborhood visual order and understated class identity.

💻

Web Borders

Safe color for designers crafting nostalgic or rigorous academic pages, supporting robust, trustworthy graphic layouts.

📜 Origin & History

The term Firebrick Red originated from visual descriptions of high-temperature furnace linings during the Industrial Revolution. Rich in iron oxide and bauxite, refractory bricks develop deep dark red after baking at thousands of degrees. This tone was standardized as a key marking color for early industrial safety and architectural terminology.

During America’s architectural golden age in the early 20th century, masters of the Chicago School including Louis Sullivan extensively adopted terracotta bricks for high-rise facades. Tempered by the Great Chicago Fire, natural terracotta and firebrick red became symbols of safety, solidity and modern urban spirit.

In the 1990s, creators of HTML standards incorporated this widely accessible, moderately luminous red as a web-safe color named FireBrick. During the early internet era, countless classical blogs and forums deployed it for dividing lines and table borders to deliver composed online reading experiences.

Within landscape design, Firebrick Red is the primary choice for garden walkways and brick architecture. Century-old red-brick buildings of Ivy League universities framed by ivy have solidified this tone as a visual emblem of elite academia, representing profound knowledge and rigorous inherited scholarship.

In contemporary interior design, Firebrick Red’s stable muted texture makes it ideal for industrial, vintage and café accent walls. Stripped of the commotion of bright red, it retains grounded pragmatism and weathered aesthetic charm refined by time.

🧠 Color Psychology

Stable ProtectionEvokes the security of firewalls. Visually, Firebrick Red builds an impenetrable barrier, delivering powerful protective comfort shielding against external chaos.

Unpretentious AuthenticityFree from glare or artifice; it is the raw color of construction materials. This hue communicates craftsmen’s dedication to pragmatism, reliability and uncompromising standards.

Tranquil TimelessnessResembles old school buildings bathed in sunset, carrying echoes of classroom chatter and long afternoons. It fosters quiet, nostalgic and deeply relaxing atmospheres.

Weighted LegacyDark undertones bear the gravity of history. Its presence embodies quality proven to withstand time, silently opposing ostentation and fleeting trends.

Diligent PerseveranceLinked to Ivy League university libraries, symbolizing studious late-night learning and fearless ambition, motivating persistent pursuit of knowledge.

Industrial RationalityThe logic of defining colors purely based on practical standards constitutes rational beauty. No pigment is wasted on superfluous emotional provocation; it remains highly efficient and precise.

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