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.

Black Blue (#18171c) Color Information

Black Blue (#18171c) RGB value is (24, 23, 28). The hex color red value is 24, green is 23, and blue is 28. Its HSL format shows a hue of 252°, saturation of 10%, and lightness of 10%, while the CMYK process values are 14%, 18%, 0%, and 89%.

Colors that pair well with Black Blue (#18171c) include Eerie Black (#1B1B1B), as they maintain visual balance and harmony, whereas Eerie Black (#1B1B1B) tend to conflict with this color due to strong contrast or opposing tonal characteristics.

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.

Diagonal Stripes
Polka Dots
Chevron
Diamond Grid
Hexagon
Waves
Crosshatch
Zigzag
Brick Wall
Triangles
Circles Grid
Herringbone

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.

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

Useful Color Tools

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

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.