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Obsidian

#1B1811·black family·WCAG AAA

Tints & Shades

50

100

200

300

400

500

600

700

800

900

Scale from white (50) through Obsidian (500) to black (900), interpolated in Lab color space.

Color Values

HEX
#1B1811
RGB
rgb(27, 24, 17)
HSL
hsl(42, 23%, 9%)
OKLCH
oklch(0.21 0.014 88)
CMYK
cmyk(0%, 11%, 37%, 89%)
Luminance:0.0093
CSS var:--color-obsidian
Tailwind:bg-[#1B1811]

Accessibility

Score: 96/100

On White (#FFF)

17.72:1

AAA

On Black (#000)

1.19:1

Fail

On Light Gray (#F5F5F5)

16.25:1

AAA

Best text color on this background:

white17.72:1
Open in Contrast Checker →

Design Applications

Background

background-color: #1B1811

Text Color

color: #1B1811

bg-[#1B1811] text-[#FFFFFF]

Accent border card component

border-left: 4px solid #1B1811

Color Meaning & Psychology

Black absorbs all light and reflects none. It is the ultimate authority color — the color of formality, power, and sophisticated elegance. Black creates maximum contrast with other colors, making it a universal text and typography choice. In luxury branding, black signals exclusivity, restraint, and quality. In tech, matte black finishes convey premium build. Black clothing was historically mourning dress, then the Chanel "little black dress" made it the epitome of timeless style. In interface design, dark mode has made black backgrounds mainstream, valued for reduced eye strain and OLED power efficiency. Black's psychological weight means it should be deployed with intentionality — it commands the eye and the room. Its very dark, near-black depth creates dramatic intensity — maximally contrastive, powerful, and reserved for focal design elements where other dark colors would disappear.

Industry Usage

Common contexts and industries where Obsidian is applied in professional design.

  • Luxury fashion and premium apparel
  • Prestige automotive brands
  • High-end watches and jewelry
  • Premium spirits and beverage brands
  • Professional photography and videography
  • Technology brands emphasizing premium tiers
  • Music and entertainment industry branding
  • Sophisticated cosmetics and fragrance

Accessibility Considerations

Normal Text

Passes AA

4.5:1 minimum required

Large Text

Passes AA Large

3:1 minimum required

UI Components

Meets 1.4.11

3:1 for non-text UI

Obsidian is a dark color. Use white (#FFFFFF) text on top of it for maximum readability (17.72:1). Avoid small black text on this background.

CSS & Code Examples

Background

background-color: #1B1811;

Text

color: #1B1811;

Border

border: 2px solid #1B1811;

Box Shadow

box-shadow: 0 4px 20px #1B181140;

Gradient

background: linear-gradient(135deg, #1B1811, #413e37);

Tailwind-style

--color-obsidian: #1B1811;

Tailwind CSS Utilities

Use arbitrary value syntax in Tailwind CSS to apply Obsidian without a custom config.

Background

bg-[#1B1811]

Text

text-[#1B1811]

Border

border-[#1B1811]

Ring

ring-[#1B1811]

Fill

fill-[#1B1811]

From (gradient)

from-[#1B1811]

Via (gradient)

via-[#1B1811]

To (gradient)

to-[#1B1811]

Design Tokens

Ready-to-use Obsidian design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.

CSS Custom Properties

:root {
  --color-obsidian: #1B1811;
  --color-obsidian-rgb: 27, 24, 17;
  --color-obsidian-hsl: 42, 23%, 9%;
}

SCSS Variables

$color-obsidian: #1B1811;
$color-obsidian-rgb: 27, 24, 17;
$color-obsidian-hsl: 42, 23%, 9%;

Tailwind v3 Config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'obsidian': '#1B1811',
      },
    },
  },
};

Tailwind v4 (@theme)

/* tailwind.css */
@theme {
  --color-obsidian: #1B1811;
}

JSON Design Token (W3C format)

{
  "obsidian": {
    "value": "#1B1811",
    "type": "color",
    "description": "Obsidian — #1B1811"
  }
}

What Does Obsidian Mean? Color Psychology & Cultural Symbolism

No color in the spectrum carries as much compressed meaning as black. At #1B1811, Obsidian is a dark interpretation of this absolute—carrying the family's full psychological weight into timelessness: the sense that what's here is serious, intentional, and not to be questioned.

  • Across color psychology research, black consistently tests high for "luxury" associations, making Obsidian a reliable vehicle for timelessness in cross-demographic audiences.
  • Brand designers draw on black-family tones to project precision and power—values that Obsidian communicates in a dark key.
  • At 23% saturation, Obsidian reads as muted—Warm near-blacks (very dark browns, dark charcoal) soften pure black's coldness while retaining its authority—increasingly used in luxury and contemporary design as alternatives.
  • Obsidian's dark lightness (9%) shifts its psychological register: Pure and near-black tones are maximum design authority—the most contrast-giving background in all of design, and the foundation of luxury aesthetics worldwide.

The luxury of Obsidian is that it needs no justification—it simply commands.

How to Use Obsidian in Design: Applications, Pairings & Best Practices

Obsidian rewards sophistication in its usage. The most effective black-anchored design systems use it selectively—as the foundation that gives other tones their maximum impact.

  • Avoid: children's products, healthcare spaces (clinical coldness without warmth), and brands that need to communicate friendliness or approachability as primary values.
  • Color harmonies: Obsidian's complementary color creates a high-energy split ideal for promotional design; its analogous palette (±30° hue) builds cohesive, monochromatic sophistication.
  • Proportional use: Obsidian's muted quality means it scales well across proportions—from full-bleed backgrounds to single-pixel borders—making it an unusually versatile palette component.
  • As a dark tone, Obsidian creates maximum contrast with white and light neutrals—excellent for creating premium dark-mode sections, bold headers, and high-drama brand moments
  • Typography: Obsidian works as a background behind white text but requires careful sizing—test at intended heading and body sizes before finalizing.

The luxury of Obsidian is that it needs no justification—it simply commands.

Obsidian Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design

Obsidian (#1B1811) achieves a 17.72:1 contrast ratio with white text, surpassing the WCAG 2.1 AAA threshold of 7:1. This exceptional contrast qualifies it for body text, UI components at any size, and all accessibility-sensitive interface contexts. Relative luminance: 0.9%.

  • As text on white (#FFFFFF): 17.72:1 — AAA ✓
  • As text on black (#000000): 1.19:1 — Fail
  • Best text color on Obsidian background: White (#FFFFFF) at 17.72:1
  • WCAG 2.1 luminance: 0.9% — low luminance (dark)—it provides strong contrast for white and light overlaid text, functioning well as a background in dark-mode and header contexts
  • Obsidian qualifies for all text sizes including small body copy (AAA).

Obsidian's WCAG profile makes it a compliant choice for most text applications.

Obsidian in Industry: Branding, Design & Market Applications

Obsidian (#1B1811) is most at home in industries where power, sophistication, authority, and elegance are key brand values. Its dark quality makes it particularly effective in Luxury & Fashion contexts, where the muted saturation signals authority at exactly the right register.

  • Luxury & Fashion: Black is luxury's default language—from Chanel's packaging to Apple's product photography, it signals premium, exclusive, and uncompromising quality. In fashion, it's simultaneously the most versatile and the most authoritative choice. Matte black signals premium restraint; glossy black signals dramatic luxury. The finish matters as much as the color.
  • Technology: Dark mode interfaces and premium device aesthetics have made black a technology color as much as a luxury one. Apple's product line, premium audio equipment, and high-end consumer electronics all use black to signal technical precision and premium positioning. (examples: Notion, Slack, Salesforce) Black in tech interfaces benefits from accent colors that pop against it—cyan, neon, and pure white are classic pairings.
  • Media & Entertainment: Movie credits, music packaging, editorial magazine design, and streaming platforms use black to focus attention and signal cultural seriousness. It's the color of concentrated attention—everything unnecessary falls away in a black-dominated design. (examples: Spotify, Netflix, Hulu) The black-and-white combination is the most timeless in editorial design for its ability to focus on content without visual noise.
  • Brand positioning: Obsidian is best suited for brands projecting precision, power, sophistication. Categories outside this positioning—children's products—tend to see weaker results.
  • Adjacent applications: Beyond primary industries, Obsidian works effectively in editorial design, high-end brand identities, dark-mode interfaces—contexts where authority serves a secondary but reinforcing role.

The industries where Obsidian performs best are those where the audience expects authority. Build brand strategy around this alignment, not against it.

Frequently Asked Questions

What is the hex code for Obsidian?
The hex code for Obsidian is #1B1811. Its RGB values are rgb(27, 24, 17) and its HSL values are hsl(42, 23%, 9%).
What does Obsidian mean in design?
Black absorbs all light and reflects none. It is the ultimate authority color — the color of formality, power, and sophisticated elegance. Black creates maximum contrast with other colors, making it a universal text and typography choice. In luxury branding, black signals exclusivity, restraint, and quality. In tech, matte black finishes convey premium build. Black clothing was historically mourning dress, then the Chanel "little black dress" made it the epitome of timeless style. In interface design, dark mode has made black backgrounds mainstream, valued for reduced eye strain and OLED power efficiency. Black's psychological weight means it should be deployed with intentionality — it commands the eye and the room. Its very dark, near-black depth creates dramatic intensity — maximally contrastive, powerful, and reserved for focal design elements where other dark colors would disappear.
Is Obsidian WCAG accessible?
Obsidian (#1B1811) passes WCAG AAA on white with a 17.72:1 contrast ratio. Its overall accessibility score is 96/100.
What colors go well with Obsidian?
Obsidian pairs well with its complementary color Roman Silver (#838996). Analogous colors like Poppy and Taupe also work harmoniously. Check the Color Harmonies section above for the full palette.
What is Obsidian used for?
Obsidian is commonly used for: Luxury fashion and premium apparel; Prestige automotive brands; High-end watches and jewelry; Premium spirits and beverage brands; Professional photography and videography.
What are the CSS and Tailwind values for Obsidian?
In CSS, use `color: #1B1811` or `background-color: #1B1811`. The CSS custom property is `--color-obsidian: #1B1811`. In Tailwind CSS, use the arbitrary value class `bg-[#1B1811]` for backgrounds or `text-[#1B1811]` for text.