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  1. HexColorMeans
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  3. #18171c

Black Blue (#18171c) Color Meaning, Codes and Information

A complete guide to Black Blue (#18171c) covering color values, harmonies, shades, meaning, and practical uses across design, branding, and everyday visuals.

Color CodesMeaningConversionShades & TintsPalettesContrastBlindnessCSS & StylesPatternsIconsMockupsRelatedFAQs
18171C
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Color CodesMeaningConversionShades & TintsPalettesContrastBlindnessCSS & StylesPatternsIconsMockupsRelatedFAQs
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Black Blue (#18171c) Color Information

The color Black Blue (#18171C) is a deep blue. Its RGB value is (24, 23, 28), HSL (252°, 10%, 10%), and CMYK (14%, 18%, 0%, 89%). In the color spectrum, it sits between Ghost White (#F8F8FF) and Matte Black (#28282B), bridging the gap with its distinct tone. Against Eerie Black (#1B1B1B), #18171C leans more saturated, marked by its distinct tonal shift.

For complementary designs, combine it with Eerie Black (#1B1B1B) to achieve a cohesive look, while opposing hues may create strong visual tension. In professional settings, #18171C is frequently applied in typography, borders, and structural elements.

Clear image showing Black Blue color swatch with hex value #18171C and RGB value (24,23,28)
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Black Blue (#18171c) Color Meaning

Black Blue (#18171C) sits within ultra-deep blue-black tones with subtle indigo undertones. It mirrors midnight skies, deep oceans, and polished gemstones. The shade feels authoritative, mysterious, and sleek. Black Blue (#18171C) conveys intensity with quiet elegance. Symbolically, Black Blue (#18171C) represents authority, focus, and introspection. It signals confidence, sophistication, and depth. In color psychology, deep blue-black tones enhance concentration, analytical thinking, and inner calm. Black Blue (#18171C) feels composed, commanding, and reflective. Black Blue (#18171C) appears in luxury interiors, automotive finishes, and fashion to evoke sleek modernity, refinement, and understated power. The color symbolizes precision, resilience, and subtle sophistication. In contemporary design palettes, it pairs with metallics or lighter blues to balance depth with contrast. Black Blue (#18171C) feels bold, sophisticated, and composed.

Color Conversion

Accurate conversions of Black Blue (#18171c) across RGB, Hex, CMYK, HSL, and Lab ensure consistent color fidelity across digital, print, and design applications.

HEX
#18171c
RGB
rgb(24, 23, 28)
HSL
hsl(252°, 10%, 10%)
CMYK
cmyk(14%, 18%, 0%, 89%)
HSV
hsv(252°, 18%, 11%)
XYZ
0.8927 0.8908 1.2235
Yxy
0.8908 0.2969 0.2962
Hunter Lab
9.4382 0.0040 -0.0071
CIE-Lab
8.0467 1.8435 -3.3368

RGB Values & CMYK Values

Detailed RGB and CMYK values of Black Blue (#18171c) displayed in a horizontal bar provide clear reference for digital and print color accuracy.

RGB Channels

Red24 / 255 (9%)
Green23 / 255 (9%)
Blue28 / 255 (11%)
11%

CMYK Ink Density

Cyan14 / 100 (14%)
14%
Magenta18 / 100 (18%)
18%
Yellow0 / 100 (0%)
Key (Black)89 / 100 (89%)
89%

Color Variations

A full range of Black Blue (#18171c) variations, including tints, shades, and tones, provides highlights, depth, and subtle desaturated options for UI design.

Color Harmonies

Harmonious color schemes for Black Blue (#18171c) 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 Black Blue (#18171c) against standard backgrounds ensure readable, accessible text following Contrast Checker and WCAG 2.1 AA/AAA standards.

#FFFFFF
#18171c

Sample Text

This is how your text will look with these colors.

Large Text (18pt+)

17.82:1
✓WCAG AA
✓WCAG AAA

Normal Text

17.82:1
✓WCAG AA
✓WCAG AAA

UI Components

17.82:1
✓WCAG AA
✓WCAG AAA

Color Blindness Simulator

Simulated views of Black Blue (#18171c) for different color vision deficiencies help identify potential confusion using the Color Blindness Simulator.

Normal Vision

Black Blue (#18171c)

protanopia

#18181b

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

CSS Examples

Background Color

background-color: #18171c;

Text Color

color: #18171c;

Sample Text

Border Color

border: 2px solid #18171c;

Box Shadow

box-shadow: 0 4px 6px #18171c40;

Text Shadow

text-shadow: 2px 2px 4px #18171c;

Sample Text

Gradient

background: linear-gradient(135deg, #18171c 0%, #131216 100%);

Seamless Patterns

High-resolution seamless patterns featuring Black Blue (#18171c) provide ready-to-use backgrounds, wallpapers, and print designs for any project.

Icons

A collection of popular icons in Black Blue (#18171c) offers ready-to-use visuals for interfaces, designs, and creative projects.

Real-World Applications

Real-world mockups of Black Blue (#18171c) showcase its versatility across fashion, interiors, branding, and product packaging.

Related Colors

Colors related to Black Blue (#18171c) in hue, saturation, and lightness provide harmonious and complementary options for cohesive color schemes.

#5D3FD3
Iris
#9683EC
Soft Periwinkle
#8878C3
Ube
#3F00FF
Electric Ultramarine
#CBC3E3
Light Purple
#BDB5D5
Wisteria
#7B68EE
Medium Slate Blue
#5218FA
Han Purple
#DCD0FF
Pale Lavender

Useful Color Tools

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

Color PickerImage Color PickerPalette from ImageScreen Color Picker

Black Blue (#18171c) Color FAQs

Frequently asked questions about Black Blue (#18171c) color meaning, symbolism, and applications. Click on any question to expand detailed answers.

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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