Dark Cyan (Deep Teal)

A deep, dark cyan like the sea-sky boundary before a storm

HEX#75878A

RGBrgb(117, 135, 138)

HSLhsl(189, 8%, 50%)

HSVhsv(189, 15%, 54%)

CMYKcmyk(15%, 2%, 0%, 46%)

HEXA#75878AFF

RGBArgba(117, 135, 138, 1)

HSLAhsla(189, 8%, 50%, 1)

OKLCHoklch(80%, 0.013, 208)

LCHlch(77%, 12.6, 214)

🎨 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 3.8:1AA Large

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

Aa14px Body

Standard Text

#FFFFFFRatio 3.8:1AA Large

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#E7E6EARatio 3:1AA Large

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

Aa14px Body

Decorative / Dividers

#C4BAC3Ratio 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%

#232829

#31393A

#3F494A

#4B5658

#596669

#677679

#75878A

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

#7C8283

#7A8385

#798486

#788587

#778688

#75878A

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#252727

#343737

#424748

#4E5456

#5B6567

#687678

#75878A

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

#758A88

#758A89

#75888A

#75878A

#75858A

#75838A

#75828A

💡 Use Cases

🧥

Techwear

Waterproof urban ninja jackets—absorbing light on rainy nights, tactically cool with stealth.

🚢

Warship Camouflage

Low-visibility grey-blue paint for active naval vessels—merging with overcast seas to evade optical detection.

🗄️

Archive Shelving

National library underground stack shelves—bearing billions of characters yet quietly unassuming.

📸

Cool Mood

Daido Moriyama-style street photography backgrounds—emphasizing gritty contrast, giving color to monochrome.

📜 Origin & History

Dark Cyan was the color most feared by sailors of the Age of Sail. When storms approached, sky and sea merged into this suffocating dark blue-grey—representing absolute force majeure and desperate survival.

19th-century Russian marine painter Aivazovsky's The Ninth Wave uses layers of dark cyan—the most oppressive tone between life and death before a wave breaks—called the captain's nightmare.

In WWI trench warfare, the French army abandoned bright red caps for 'horizon blue'—a dark cyan that blended with mud and smoke, marking the era of camouflage deception.

In urban commuting culture, dark cyan is the top choice for contemporary city hermits—versatile, stain-resistant, rational, and distant. On crowded subway cars, a dark cyan coat says: 'Please let me be alone in my sanctuary.'

🧠 Color Psychology

EnduringHolding back stormy undercurrents—calm exterior masking resilience, maintaining composure at the breaking point.

DesolateLike arid wilderness—evoking the solitude of boundless plains, a literary pathos of lone standing.

FatiguedExtreme neutral tiredness—the physical and psychological burnout of screen-and-spreadsheet modern life.

ToughA practical color of action—like naval steel, reliable yet not given to easy intimacy.

SunkenThe color of historical forgetfulness—like sunken ship keels, solitary relics refusing recovery.

AlienatedAn industrial revolution byproduct—slow erosion of natural landscapes by machines, a dull post-apocalyptic quality.

← Back to Explore Colors