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  1. HexColorMeans
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  3. #003366

Dark Midnight Blue (#003366) Color Meaning, Codes and Information

A complete guide to Dark Midnight Blue (#003366) covering color values, harmonies, shades, meaning, and practical uses across design, branding, and everyday visuals.

Color CodesMeaningConversionShades & TintsPalettesContrastBlindnessCSS & StylesPatternsIconsMockupsRelatedFAQs
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Dark Midnight Blue (#003366) Color Information

Dark Midnight Blue (#003366) is a vivid blue color. Technical specifications include RGB (0, 51, 102), HSL (210°, 100%, 20%), and CMYK (100%, 50%, 0%, 60%). Flanked by Imperial Blue (#002366) and Granite Grey (#2F353B), this shade provides a distinct alternative within its hue family. Compared to Bronze Yellow (#737000), #003366 appears more saturated, giving it a deeper and more authoritative appearance.

Harmonious matches include Stormy Teal (#006D6F), Navy Blue (#000080), and Dark Garnet (#660000), creating a balanced aesthetic, while colors like Tyrian Purple (#630330), Napier Green (#2A8000), or Burnt Umber (#6E260E) may clash with it due to differing tones. Designers often use #003366 in branding, signage, and high-visibility designs where a specific visual weight is required.

Clear image showing Dark Midnight Blue color swatch with hex value #003366 and RGB value (0,51,102)
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Dark Midnight Blue (#003366) Color Meaning

Dark Midnight Blue (#003366) is a profound, deep blue bordering on black. It belongs to the blue spectrum, conveying authority, introspection, and elegance. Historically, dark blues were used in naval uniforms, heraldry, and fine art to communicate trust, depth, and seriousness. The color symbolizes wisdom, composure, and inner strength. Dark Midnight Blue (#003366) engages psychology by promoting focus, calm decision-making, and emotional resilience. In spiritual practice, deep blue shades are associated with higher knowledge, contemplation, and connection to the infinite. In cultural significance, Dark Midnight Blue (#003366) appears in uniforms, flags, and academic robes, symbolizing loyalty, authority, and intelligence. Its dark intensity communicates seriousness while retaining sophistication, making it suitable for formal, reflective, and professional applications.

Color Conversion

Accurate conversions of Dark Midnight Blue (#003366) across RGB, Hex, CMYK, HSL, and Lab ensure consistent color fidelity across digital, print, and design applications.

HEX
#003366
RGB
rgb(0, 51, 102)
HSL
hsl(210°, 100%, 20%)
CMYK
cmyk(100%, 50%, 0%, 60%)
HSV
hsv(210°, 100%, 40%)
XYZ
3.5821 3.3270 13.0237
Yxy
3.3270 0.1797 0.1669
Hunter Lab
18.2401 0.0712 -0.5054
CIE-Lab
21.3085 6.8246 -34.2172

RGB Values & CMYK Values

Detailed RGB and CMYK values of Dark Midnight Blue (#003366) displayed in a horizontal bar provide clear reference for digital and print color accuracy.

RGB Channels

Red0 / 255 (0%)
Green51 / 255 (20%)
20%
Blue102 / 255 (40%)
40%

CMYK Ink Density

Cyan100 / 100 (100%)
100%
Magenta50 / 100 (50%)
50%
Yellow0 / 100 (0%)
Key (Black)60 / 100 (60%)
60%

Color Variations

A full range of Dark Midnight Blue (#003366) variations, including tints, shades, and tones, provides highlights, depth, and subtle desaturated options for UI design.

Color Harmonies

Harmonious color schemes for Dark Midnight Blue (#003366) created using the color wheel ensure visually balanced palettes.

Analogous

Colors adjacent on the color wheel (30° apart)

Complementary

Colors opposite on the color wheel (180° apart)

Split Complementary

Three colors using one base hue and the two hues beside its opposite

Triadic

Three colors evenly spaced (120° apart)

Tetradic

Four colors forming a rectangle on the wheel

Square

Four colors evenly spaced (90° apart)

Double Split Complementary

Four colors formed from two base hues and the colors next to their opposites

Monochromatic

Variations of a single hue

Contrast Checker (WCAG)

Luminance contrast ratios for Dark Midnight Blue (#003366) against standard backgrounds ensure readable, accessible text following Contrast Checker and WCAG 2.1 AA/AAA standards.

#FFFFFF
#003366

Sample Text

This is how your text will look with these colors.

Large Text (18pt+)

12.61:1
✓WCAG AA
✓WCAG AAA

Normal Text

12.61:1
✓WCAG AA
✓WCAG AAA

UI Components

12.61:1
✓WCAG AA
✓WCAG AAA

Color Blindness Simulator

Simulated views of Dark Midnight Blue (#003366) for different color vision deficiencies help identify potential confusion using the Color Blindness Simulator.

Normal Vision

Dark Midnight Blue (#003366)

protanopia

#16175a

Note: These simulations are approximations. Actual color vision deficiency varies by individual.

CSS Examples

Background Color

background-color: #003366;

Text Color

color: #003366;

Sample Text

Border Color

border: 2px solid #003366;

Box Shadow

box-shadow: 0 4px 6px #00336640;

Text Shadow

text-shadow: 2px 2px 4px #003366;

Sample Text

Gradient

background: linear-gradient(135deg, #003366 0%, #002243 100%);

Seamless Patterns

High-resolution seamless patterns featuring Dark Midnight Blue (#003366) provide ready-to-use backgrounds, wallpapers, and print designs for any project.

Icons

A collection of popular icons in Dark Midnight Blue (#003366) offers ready-to-use visuals for interfaces, designs, and creative projects.

Real-World Applications

Real-world mockups of Dark Midnight Blue (#003366) showcase its versatility across fashion, interiors, branding, and product packaging.

Related Colors

Colors related to Dark Midnight Blue (#003366) in hue, saturation, and lightness provide harmonious and complementary options for cohesive color schemes.

#708090
Slate Gray
#818589
Gunmetal Gray
#7393B3
Blue Gray
#6F8FAF
Denim
#A7C7E7
Pastel Blue
#007FFF
Azure Blue
#318CE7
Bleu De France
#6699CC
Livid
#1E90FF
Dodger Blue

Useful Color Tools

A curated set of tools to help apply, analyze, and manage colors effectively in your projects

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Dark Midnight Blue (#003366) Color FAQs

Frequently asked questions about Dark Midnight Blue (#003366) color meaning, symbolism, and applications. Click on any question to expand detailed answers.

← Previous ColorImperial Blue (#002366) Color MeaningNext Color →Granite Grey (#2F353B) Color Meaning
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Color Schemes

Diagonal Stripes
Polka Dots
Chevron
Diamond Grid
Hexagon
Waves
Crosshatch
Zigzag
Brick Wall
Triangles
Circles Grid
Herringbone
Fashion
Colored T-Shirt
Fashion
Baseball Cap
Interior
Living Room
Exterior
Office Complex
BRAND
Brands
Aluminum Can
Vehicle
Glossy Sportscar
Brands
Shopping Bag
Interior
Matte Wall
Brands
Flagship Phone