Deep Mineral Blue

A dark blue from deep within the earth, weighty and textural

HEX#24367D

RGBrgb(36, 54, 125)

HSLhsl(228, 55%, 32%)

HSVhsv(228, 71%, 49%)

CMYKcmyk(71%, 57%, 0%, 51%)

HEXA#24367DFF

RGBArgba(36, 54, 125, 1)

HSLAhsla(228, 55%, 32%, 1)

OKLCHoklch(60.3%, 0.094, 268)

LCHlch(53.7%, 38, 274)

🎨 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

#C4CCEERatio 7:1AAA

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

Aa14px Body

Standard Text

#AE98E1Ratio 4.4:1AA Large

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#BB61D1Ratio 3:1AA Large

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

Aa14px Body

Decorative / Dividers

#BA3650Ratio 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%

#0B1128

#0F1633

#141D43

#182453

#1D2B63

#20306F

#25377E

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

#404764

#3B4468

#37416D

#323F71

#2E3C76

#29397A

#25377E

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#15171E

#1A1D29

#1F2438

#222A49

#25305B

#24326A

#25377E

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

#254D7E

#25467E

#253E7E

#25377E

#252F7E

#25287E

#29257E

💡 Use Cases

⛏️

Cave Exploration

Professional caving suits and helmets—low visibility, high-safety concealment in extreme low-light.

🎸

Metal Music

Black metal album covers—the darkest blue burying all false sunshine and hypocrisy.

🏠

Dark Interiors

Single-male home theater walls—light-absorbing surfaces maximizing projector contrast.

🖊️

Custom Pens

Limited-edition midnight blue from Cross and Montblanc—tools for novelists to explore the human soul.

📜 Origin & History

Deep Mineral Blue comes from deeper azurite or lapis veins. In Afghanistan's Badakhshan caves, mined lapis would glimmer like cosmic fragments only under torchlight.

In the Renaissance, this extreme dark blue was seen as humility and asceticism. Caravaggio's chiaroscuro backgrounds were often not pure black but mixed with deep mineral blue—the cool darkness better highlighting warmth on lit figures.

Norwegian Expressionist Munch, depicting the sick child in Oslo Fjord, used heavy deep mineral blue to convey suffocating depressive pain—not the beauty of night skies, but existential loneliness in the human heart.

In modern times, deep mineral blue with matte hardware finishes appears in industrial chic interiors—its rough, unpolished texture refusing kitsch, embracing the courageous search of the soul's dark night.

🧠 Color Psychology

NocturnalThe psyche's midnight background—stripping social masks, facing unutterable trauma and fear alone in darkness.

HardcoreMetal's rock spirit—raw and untamed, roaring against artificial commercial saccharine.

RitualisticLike underground occult invocations—Cthulhu-esque unknown and unnameable grandeur.

SolitarilyHermit-like seclusion—long darkness-given eyes, sharpened to perceive essence.

TemperedRefined under extreme high pressure—developing high psychological tolerance, ignoring surface pain.

PrimalConnecting to Earth's core—evoking prehistoric giants and flowing magma, the primordial terror of life's origins.

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