Sky Blue

Bright light blue of a clear sky, the color of crisp autumn air

HEX#6B9DD2

RGBrgb(107, 157, 210)

HSLhsl(211, 53%, 62%)

HSVhsv(211, 49%, 82%)

CMYKcmyk(49%, 25%, 0%, 18%)

HEXA#6B9DD2FF

RGBArgba(107, 157, 210, 1)

HSLAhsla(211, 53%, 62%, 1)

OKLCHoklch(83.6%, 0.053, 245)

LCHlch(81.2%, 25.6, 243)

🎨 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

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Aa14px Body

High Contrast Text

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

Aa14px Body

Standard Text

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Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#FCFBFERatio 2.8:1Fail

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

Aa14px Body

Decorative / Dividers

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Suitable for decorative elements, dividers, non-essential text

📊 Color Scales

Online Color Picker → Gradient Generator →

Lightness VariationFixed hue and saturation, stepwise lightness adjustment ±30%

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#3269A4

#4482C5

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#92B6DD

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Saturation VariationFixed hue and lightness, stepwise saturation adjustment ±30%

#889DB4

#7E9DBE

#749DC8

#6B9CD1

#619CDB

#579CE5

#4E9BEF

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation adjustment

#3F5D7D

#4671A0

#5185BD

#699ACE

#83AEDD

#9FC3E9

#BED8F3

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

#6BB6D1

#6BAED1

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#6B9CD1

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💡 Use Cases

👶

Children's Products

Sky Blue is often used for nursery walls or children's clothing; its soft brightness is non-aggressive, nurturing a child's pure visual perception.

💻

Tech Interfaces

A trust-building color scheme for apps and web pages, used for buttons or information prompts, conveying a service promise of safety and efficiency.

🏠

Bathroom Space

Bathroom tiles or waterproof paint in Sky Blue mimic a clear sky reflecting on water, creating a clean and fresh washing environment.

✈️

Aviation Branding

A popular choice for airline brand colors, Sky Blue symbolizes flight and distant places, conveying safety, professionalism, and travel dreams.

📜 Origin & History

Sky Blue is a traditional Chinese color name, also called 'Azure' or 'Sky Green' in ancient texts. It derives from capturing the color of clear skies. Unlike the thickness of mineral colors, Sky Blue emphasizes a clear, breathable texture, representing ancient Chinese sensitivity to natural light and shadow.

The Tang Dynasty poet Bai Juyi wrote: 'At sunrise, the river's flowers are redder than fire; in spring, the river's waters are green as blue,' where 'blue' points to the blue tone of a clear sky. In the Tang Dynasty clothing system, Sky Blue was a lighter shade, mostly used for scholars' daily casual wear, symbolizing clarity and elegance.

During the Ming and Qing Dynasties, Sky Blue held a place in porcelain glazes. The Sky Blue glaze created in the Yongzheng period was clear and soft like a sky after rain, greatly favored by the emperor. Its firing required precise control of kiln temperature and reducing atmosphere; the slightest deviation would lose its purity.

In the Qing Dynasty official costume color hierarchy, Sky Blue was commonly used for summer ceremonial dress. The 'Great Qing Code' stipulated that Sky Blue robes were to be worn from the Start of Summer to the Start of Autumn, visually providing a cooling sensation, a typical example of practical color function.

In modern color systems, Sky Blue is widely used in children's products and environmental design. Its non-aggressive, bright quality evokes freedom and expansiveness, making it a common color in visual communication to convey trust, freshness, and youthfulness.

🧠 Color Psychology

Open-Minded and BrightAs vast as an autumn sky, broadening the mind, dissolving pettiness and entanglement, facing life with magnanimity.

Innocent and PureA clear, impurity-free blue, evoking fond childhood memories of looking up at the sky, returning the soul to simple purity.

Longing for FreedomSky associations with flying birds and flowing clouds stir an impulse to travel far and a desire for the unrestrained.

Fresh and LivelyThe light, airy blue adds no burden, bringing a refreshing feeling like a breeze, dispelling gloom and restoring vitality.

Trustworthy and ReliableThe constant presence of the blue sky provides a sense of stability, building a foundation of interpersonal trust and reliable psychological expectations.

Positive and UpwardPositive emotional links to looking up at the blue sky, encouraging an optimistic approach to challenges and a state of growing towards the sun.

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