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Color Directory/Obsidian Black

Obsidian Black (#0B0B0C)

Luminance: 0% · Nearest standard name: Obsidian Black

Generate Around This Color
OBSIDIAN BLACK
#0B0B0C
rgb(11, 11, 12) · hsl(240°, 4%, 5%)
HEX#0B0B0C
RGB11, 11, 12
HSL240°, 4%, 5%
HSV / HSB240°, 8%, 5%
CMYK (Print)8%, 8%, 0%, 95%

Color Harmonies

Complementary

#0B0B0C#0D0D0C

Analogous

#0C0D0D#0B0B0C#0D0C0D

Triadic

#0B0B0C#0D0C0C#0C0D0C

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)19.67:1

Sample text rendered with #0B0B0C on white

AA Normal: PASSAA Large: PASS
Against Dark (#0F172A)1.10:1

Sample text rendered with #0B0B0C on dark

AA Normal: FAILAA Large: FAIL

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Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Obsidian Black (#0B0B0C)

Obsidian Black (#0B0B0C) is a distinct shade within the Slate & Neutral chromatic spectrum. Characterized by an optical luminance of 0% and a neutral color temperature, this tone plays a vital role across web applications, brand identities, and editorial typography. Discover its mathematical harmonies, accessibility metrics, UI engineering roles, and front-end code tokens.

Technical Colorimetry & Coordinate Breakdown

Exact mathematical values across digital display, print press, and human perceptual spaces.

HEX Code#0B0B0C
RGB Space11, 11, 12
HSL Values240°, 4%, 5%
HSV / HSB240°, 8%, 5%
CMYK Ink8%, 8%, 0%, 95%
TemperatureNeutral

Optical Color Harmony Formulas for Obsidian Black

Geometric intervals calculated from #0B0B0C on the 360-degree color wheel.

Direct Polar (180°)#0D0D0C

Complementary Harmony

Pairs Obsidian Black with its polar opposite (#0D0D0C) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#0C0D0D · #0D0C0D

Analogous Harmony

Positions adjacent neighboring hues on either side of Obsidian Black for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#0D0D0C · #0D0D0C

Split-Complementary

Uses the two colors flanking the direct complement of Obsidian Black, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#0D0C0C · #0C0D0C

Triadic Harmony

Forms an equilateral triangle on the color wheel, generating playful, dynamic energy when balanced against a neutral background.

Rectangular (90°)#0D0C0D · #0D0D0C · #0C0D0D

Tetradic (Square) Harmony

A rich four-color scheme combining two complementary pairs, ideal for complex dashboards, gaming HUDs, and multi-tier charts.

Interactive Exploration

Build Palettes With Obsidian Black

Lock #0B0B0C inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Obsidian Black

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: High-Contrast Dark Canvas / Typographic Anchor (30% to 60% Volume)

With a deep, low lightness of 5%, Obsidian Black (#0B0B0C) provides structural weight for primary headings, body copy, and dark mode background canvases, delivering superior readability against light elements.

Light Mode SurfaceIdeal for buttons and badges
Dark Mode AdaptationOptimal dark canvas backdrop
Tonal Expansion ScaleView 10-step design token ramp →

Color Psychology & Industry Alignment

Strategic cognitive triggers and target sector recommendations.

Cognitive & Emotional Perception

Provides timeless neutrality, structural balance, and minimalist sophistication. Eliminates chromatic noise so primary content and photography take center stage.

Optimal Industry Verticals

Editorial Publications, Minimalist Portfolios, Architecture, Hardware Engineering. Combining Obsidian Black with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Obsidian Black

Drop-in design system tokens for CSS, Tailwind CSS, and SCSS.

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-0b0b0c: #0B0B0C;
  --color-0b0b0c-rgb: 11, 11, 12;
  --color-0b0b0c-hsl: 240deg 4% 5%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        '0b0b0c': '#0B0B0C',
      }
    }
  }
};

Explore Related Color Tools for Obsidian Black

Continue developing your color system with specialized design tools.

Palette Generator

Generate harmonious 5-color palettes anchored to Obsidian Black.

Launch Tool

WCAG Contrast Checker

Verify Level AA and AAA readability for Obsidian Black against any background.

Check Contrast

Shades & Tints Scale

Generate a full 10-step tonal scale from 50 to 900 for Obsidian Black.

Expand Scale

CSS Gradient Generator

Create linear and radial gradients blending Obsidian Black with complementary hues.

Build Gradients

Frequently Asked Questions About Obsidian Black (#0B0B0C)

Authoritative answers covering Obsidian Black color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Obsidian Black (#0B0B0C)?
Obsidian Black is defined by the HEX code #0B0B0C. Its digital screen RGB coordinates are R:11, G:11, B:12. Its cylindrical HSL values are Hue:240°, Saturation:4%, Lightness:5%. In HSV/HSB format, it is 240°, 8%, 5%. For four-color CMYK process printing, its ink percentages are C:8%, M:8%, Y:0%, K:95%.
Does Obsidian Black (#0B0B0C) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Obsidian Black achieves a contrast ratio of 19.67:1 (Passing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 1.10:1 (Failing WCAG AA).
What is the direct complementary color for Obsidian Black (#0B0B0C)?
The exact 180-degree optical complementary color for #0B0B0C is #0D0D0C. When placed side-by-side, #0B0B0C and #0D0D0C create maximum visual tension and high click-through conversion rates.
What is the recommended role for Obsidian Black in the 60-30-10 UI design rule?
With a deep, low lightness of 5%, Obsidian Black (#0B0B0C) provides structural weight for primary headings, body copy, and dark mode background canvases, delivering superior readability against light elements.
How can I copy and export Obsidian Black into Tailwind CSS and CSS variables?
You can define Obsidian Black in CSS custom properties as ':root { --color-custom: #0B0B0C; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Obsidian Black using our interactive Color Palette Generator.
Which color family does Obsidian Black (#0B0B0C) belong to?
Obsidian Black belongs to the Slate & Neutral family (Neutral spectrum). You can explore full tonal ramps and curated palettes in our Slate & Neutral Color Guide.