Mineral Blue

A profound blue like mineral crystals, with a geological, earthy depth

HEX#004D99

RGBrgb(0, 77, 153)

HSLhsl(210, 100%, 30%)

HSVhsv(210, 100%, 60%)

CMYKcmyk(100%, 50%, 0%, 40%)

HEXA#004D99FF

RGBArgba(0, 77, 153, 1)

HSLAhsla(210, 100%, 30%, 1)

OKLCHoklch(63.1%, 0.131, 233)

LCHlch(58%, 45.7, 246)

🎨 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

#DBEDFFRatio 7:1AAA

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

Aa14px Body

Standard Text

#B8B8FFRatio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#BD7AFFRatio 2.9:1Fail

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

Aa14px Body

Decorative / Dividers

#F00078Ratio 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%

#00172E

#001F3D

#002952

#003061

#003B75

#00458A

#004C99

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

#2E4C6B

#264C73

#1F4C7A

#174C82

#0F4C8A

#084C91

#004C99

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#10171E

#121F2B

#13293E

#113050

#0D3B68

#084581

#004C99

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

#007399

#006699

#005999

#004C99

#004099

#003399

#002699

💡 Use Cases

💎

Geological Exhibits

Glass case linings—ultra-dark blue for light-blocking, highlighting fluorescent minerals' phosphorescence.

🪨

Sintered Stone Walls

TV background walls—like uncut natural sapphire when the screen is off.

🧪

Lab Surfaces

Corrosion-resistant lab countertops—dark bases quickly revealing spilled chemical powders.

🌋

Dark Aesthetic

Avant-garde artisan jewelry and racks—mineral colors with aged silver, building post-apocalyptic aesthetics.

📜 Origin & History

Mineral Blue comes from deep-earth crystals like azurite and erythrite. In the 18th century, mineralogists exploring Germany's Black Forest and Czech mines brought back samples that still glowed coldly in dark shafts—art buried deep in the earth.

Romantic painters like Friedrich and Turner sought to capture this mineral quality. They painted with rough brushstrokes using mineral-powder pigments, infusing depictions of storm-torn cliffs with the weight of geological time.

20th-century geological education brought mineral blue out of royal specimen cabinets. Natural history museums worldwide use this dark blue velvet to offset mineral crystal facets.

Contemporary interiors are returning to raw textures—mineral blue has become a reference for sintered stone and cement art paints. Its crystalline grain and cave coolness elevate domestic spaces from industrial reproduction to personal collections.

🧠 Color Psychology

SedimentedBorn of centuries of crustal pressure—overcoming restlessness, accumulating substance through time.

GrotesqueDark, solitary brilliance in the abyss—representing twisted, extreme underground beauty needing no sunlight.

ExploratoryAwakening the primal urge to penetrate the unknown—seeking treasure in unseen rock crevices.

FrozenLike suddenly frozen magma—strange energy of stopped time, eternal rigidity.

ColdPhysical low temperature from the earth's core—absolute rationalism, freezing unnecessary indecision.

AlienInorganic otherness—like alien eggshells—displaying the strangeness of non-living matter in sci-fi.

← Back to Explore Colors