Sapphire Blue

A brilliant deep blue like sapphire gemstones, rich and noble

HEX#0F52BA

RGBrgb(15, 82, 186)

HSLhsl(216, 85%, 39%)

HSVhsv(216, 92%, 73%)

CMYKcmyk(92%, 56%, 0%, 27%)

HEXA#0F52BAFF

RGBArgba(15, 82, 186, 1)

HSLAhsla(216, 85%, 39%, 1)

OKLCHoklch(66.3%, 0.131, 246)

LCHlch(61.2%, 48.1, 259)

🎨 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

#FAFCFFRatio 7:1AAA

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

Aa14px Body

Standard Text

#CCC6FARatio 4.4:1AA Large

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#CC8EF6Ratio 3:1AA Large

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

Aa14px Body

Decorative / Dividers

#F04288Ratio 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%

#051939

#06224B

#082C63

#0A3576

#0B3F8E

#0D48A0

#0F53B8

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

#425D85

#395B8E

#315996

#29589E

#2056A7

#1754B0

#0F53B8

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#171D27

#1B2637

#1D314E

#1D3963

#1B437E

#164A98

#0F53B8

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

#0F7DB8

#0F6FB8

#0F61B8

#0F53B8

#0F44B8

#0F36B8

#0F28B8

💡 Use Cases

💍

Engagement Rings

As the center or accent stone in platinum settings, representing profound and sincere love.

⌚

Luxury Watches

Geneva-wave dials in sapphire blue with rose gold cases, epitomizing utmost refinement.

🖋️

Limited Pens

Lacquer pen bodies that convey unquestionable authority when signing important documents.

💎

High Jewelry

Paired with diamond waterfall necklaces on red carpets, competing for spotlight with capital and artistry.

📜 Origin & History

Sapphire Blue's symbolism stems from the finest sapphires from Kashmir and Sri Lanka. Ancient Persians believed the world rested on a giant sapphire, and the sky was its reflection—imbuing this color with a weight of creation.

Medieval European churches designated sapphire as the stone for cardinals' rings, believing it protected chastity and exposed deception. After the fall of Constantinople, relics with giant sapphires were transported West, deepening the stone's sacred nobility.

The British royal family's most famous St. Edward's Sapphire adorns the Imperial Crown. In Princess Diana's engagement ring, an 18-carat sapphire surrounded by diamonds brought sapphire blue into modern aspirations of royal love.

In the industrial era, with synthetic sapphires used in semiconductors and watch crystals, this blue evolved from pure beauty to a synonym for precision and durability—both a luxury and an indispensable aerospace material.

🧠 Color Psychology

EternalCorundum's hardness second only to diamond, symbolizing indestructible emotions and vows.

DivineUsed since ancient times to communicate with the gods, inspiring reverence for cosmic law and devout faith.

WisePromoting clarity of mind, transforming chaotic information into deep insight and authoritative judgment.

MajesticA passport to privilege without words, imbuing the mundane with the power of Kashmir's deepest mines.

DisciplinedThe stern deep blue of law, suppressing greed and guarding moral integrity.

RareAnything bearing this color seems precious, satisfying the desire for scarce resource ownership.

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