Blue Lilac

The Cool Industrial Tone of Blue-Purple Fusion

HEX#7D669E

RGBrgb(125, 102, 158)

HSLhsl(265, 22%, 51%)

HSVhsv(265, 35%, 62%)

CMYKcmyk(21%, 35%, 0%, 38%)

HEXA#7D669EFF

RGBArgba(125, 102, 158, 1)

HSLAhsla(265, 22%, 51%, 1)

OKLCHoklch(76.3%, 0.055, 305)

LCHlch(71.9%, 22.2, 286)

🎨 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 4.9:1AA

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

Aa14px Body

Standard Text

#F7F3F7Ratio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#D9C4D0Ratio 3:1AA Large

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

Aa14px Body

Decorative / Dividers

#B7A08FRatio 2:1Fail

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%

#251E2F

#342A41

#423654

#514267

#604E79

#6F5A8C

#7D679E

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

#80778D

#807490

#7F7292

#7F6F95

#7E6C99

#7E699B

#7D679E

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#262429

#35313A

#433D4D

#524860

#615374

#6F5D89

#7D679E

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

#70679E

#74679E

#79679E

#7D679E

#82679E

#87679E

#8B679E

💡 Use Cases

📁

Archive Management

Compact shelving and folders—the understated blue lilac resists dirt and relaxes the eyes—perfect for prolonged desk work.

📱

Tech Accessories

Charging cases for true wireless earbuds—matte metal spray paint—exuding a premium, tech-quiet aesthetic.

🚞

Rail Transit

Priority seats in high-speed trains or subways—blue-purple reminding passengers to stay quiet and care for the vulnerable.

📚

Late-Night Studies

Eslite-style 24-hour reading areas—walls in RAL 4005 creating an immersive thinking space away from the outside noise.

📜 Origin & History

RAL 4005 blue lilac increases the blue proportion in lilac flower color. In natural light, lilacs shift from purple to blue as they open—4005 captures the moment just before withering, at its coldest.

In Bauhaus color theory, Kandinsky considered blue-purple 'morbid and extinguished'—a color for deep thinking and introspection—influencing generations of modernist architects.

In 80s office design, RAL 4005 was standard for office partitions and filing cabinets. Neither as dull as gray nor as cold as blue—its moderate temperature reduced employee anxiety and friction.

In railway signaling, RAL 4005 is used for internal signal parts. In precision instruments, it reduces stray light reflection—ensuring accurate data reading—a safety-first color.

Today, in the 'quiet color' trend, RAL 4005 has revived. Smartphone makers offer dark purple variants, themed 'low desire' and 'emotional stability'—providing visual serenity in an information-overloaded age.

🧠 Color Psychology

Calm RestraintPulled back to rationality by blue—all emotions chilled—leaving only the clearest logical judgment.

Intellectual DepthAcademically bookish—associated with libraries and old archives—the ambient color of deep thought.

Safe ReliableAs a color for precision instruments and signaling—zero error and absolute responsibility for life are in its bones.

Aloof DistantWith a hint of cold detachment—maintaining social distance—immersed in one's own quiet universe.

Low Desire StabilityNeither aggressive nor seductive—representing a stable, desireless core—not swayed by consumerism.

Flawless PrecisionAs an RAL standard, it demands zero color deviation—a meticulous approach to both work and life.

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