Blue Green (RAL 6004)

A deep RAL blue-green tone, like dark ocean currents—calm and mysterious.

HEX#1E443F

RGBrgb(30, 68, 63)

HSLhsl(172, 39%, 19%)

HSVhsv(172, 56%, 27%)

CMYKcmyk(56%, 0%, 7%, 73%)

HEXA#1E443FFF

RGBArgba(30, 68, 63, 1)

HSLAhsla(172, 39%, 19%, 1)

OKLCHoklch(61%, 0.05, 187)

LCHlch(55.4%, 22.1, 196)

🎨 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

#AADAD3Ratio 7:1AAA

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

Aa14px Body

Standard Text

#7FADC7Ratio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#7882C4Ratio 3:1AA Large

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

Aa14px Body

Decorative / Dividers

#9A49A7Ratio 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%

#091514

#0C1C1A

#102321

#132B27

#173531

#1A3C38

#1E433E

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

#293836

#273A38

#253C39

#233E3A

#213F3B

#1F413D

#1E433E

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#0D1111

#111817

#141F1D

#172624

#1B322F

#1D3A36

#1E433E

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

#1E4335

#1E4338

#1E433B

#1E433E

#1E4341

#1E4243

#1E3F43

💡 Use Cases

🏦

Financial Spaces

The wall color of VIP consultation rooms in private banks or investment firms; Blue Green conveys a calm, rational, and trustworthy image of wealth management.

⌚

Diver's Watch

The dial color scheme of professional dive watches; the water resistance depth markings and the deep-sea Blue Green complement each other, highlighting the ultimate craftsmanship of conquering the deep.

🛳️

Yacht Interior

The leather seats and dashboard coverings of luxury yachts; Blue Green forms a classic nautical palette with the white hull, steady yet luxurious.

📊

Data Interface

The dark mode theme of financial trading terminals; the Blue Green background reduces visual fatigue from prolonged screen watching, maintaining traders' calm judgment.

📜 Origin & History

Blue Green RAL 6004 is the dark tone with the most profound deep-sea temperament in the RAL color system; its deep, blended blue-green hue evokes the dark currents of the deep Atlantic and the untouched waters of the abyss.

🧠 Color Psychology

Calm and RestrainedLike the deep-sea currents unseen by sunlight, Blue Green lowers emotions to their minimum temperature, using extreme rationality to suppress all impulsive waves.

Mysterious and UnfathomableA bottomless tone like an ocean abyss hiding countless secrets, enticing one to explore yet impenetrable to the gaze, full of unknown temptations.

Introspective and Deep ThinkingThis extremely dark blue-green creates a mental space isolated from external distractions, suitable for deep thinking, self-analysis, and philosophical meditation.

Rock-SolidLike reefs that have stood on the seabed for millions of years, Blue Green's profound steadiness is unaffected by surface storms, a symbol of absolute inner composure.

Aloof and IndependentNeither pandering nor pleasing, Blue Green maintains a sense of detachment and distance, an independent personality capable of enjoying solitude without relying on external validation.

Healing and ComfortingThe silence of the deep sea is a natural silencer; Blue Green can absorb mental noise and negative energy, repairing shattered emotions in soundlessness.

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