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Color Directory/Old Book Cover

Old Book Cover (#3A2E2B)

Luminance: 3% · Nearest standard name: Old Book Cover

Generate Around This Color
OLD BOOK COVER
#3A2E2B
rgb(58, 46, 43) · hsl(12°, 15%, 20%)
HEX#3A2E2B
RGB58, 46, 43
HSL12°, 15%, 20%
HSV / HSB12°, 26%, 23%
CMYK (Print)0%, 21%, 26%, 77%

Color Harmonies

Complementary

#3A2E2B#2B383B

Analogous

#3B2B30#3A2E2B#3B362B

Triadic

#3A2E2B#2B3B2E#2E2B3B

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)13.08:1

Sample text rendered with #3A2E2B on white

AA Normal: PASSAA Large: PASS
Against Dark (#0F172A)1.36:1

Sample text rendered with #3A2E2B on dark

AA Normal: FAILAA Large: FAIL

Palettes Featuring Similar Tones

#0F172ACopy
#1E293BCopy
#2563EBCopy
#38BDF8Copy
#F8FAFCCopy
cp-featured-01Technology
SaaS Velocity Blue
TechModernCool
#2B0938Copy
#6A0572Copy
#AB2E64Copy
#D85A52Copy
#F9A03FCopy
cp-featured-02Sunset
Malibu Dusk Glow
SunsetGradientCreative
#E76F51Copy
#F4A261Copy
#E9C46ACopy
#2A9D8FCopy
#264653Copy
cp-featured-03Vintage
1970s California Sun
VintageRetroWarm
#050505Copy
#00FF66Copy
#00F0FFCopy
#FF0055Copy
#FFE600Copy
cp-featured-04Gaming
Cyber Glitch Protocol
GamingFuturisticNeon
Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Old Book Cover (#3A2E2B)

Old Book Cover (#3A2E2B) is a distinct shade within the Rose & Red chromatic spectrum. Characterized by an optical luminance of 3% and a warm 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#3A2E2B
RGB Space58, 46, 43
HSL Values12°, 15%, 20%
HSV / HSB12°, 26%, 23%
CMYK Ink0%, 21%, 26%, 77%
TemperatureWarm

Optical Color Harmony Formulas for Old Book Cover

Geometric intervals calculated from #3A2E2B on the 360-degree color wheel.

Direct Polar (180°)#2B383B

Complementary Harmony

Pairs Old Book Cover with its polar opposite (#2B383B) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#3B2B30 · #3B362B

Analogous Harmony

Positions adjacent neighboring hues on either side of Old Book Cover for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#2B3B36 · #2B303B

Split-Complementary

Uses the two colors flanking the direct complement of Old Book Cover, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#2B3B2E · #2E2B3B

Triadic Harmony

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

Rectangular (90°)#303B2B · #2B383B · #362B3B

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 Old Book Cover

Lock #3A2E2B inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Old Book Cover

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Structural Surface & Border Tone (30% Volume)

Because of its muted, low-chroma saturation (15%), Old Book Cover (#3A2E2B) excels as a secondary surface color for container cards, table borders, navigation sidebars, and divider strokes.

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 Old Book Cover with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Old Book Cover

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

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-3a2e2b: #3A2E2B;
  --color-3a2e2b-rgb: 58, 46, 43;
  --color-3a2e2b-hsl: 12deg 15% 20%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        '3a2e2b': '#3A2E2B',
      }
    }
  }
};

Explore Related Color Tools for Old Book Cover

Continue developing your color system with specialized design tools.

Palette Generator

Generate harmonious 5-color palettes anchored to Old Book Cover.

Launch Tool

WCAG Contrast Checker

Verify Level AA and AAA readability for Old Book Cover against any background.

Check Contrast

Shades & Tints Scale

Generate a full 10-step tonal scale from 50 to 900 for Old Book Cover.

Expand Scale

CSS Gradient Generator

Create linear and radial gradients blending Old Book Cover with complementary hues.

Build Gradients

Frequently Asked Questions About Old Book Cover (#3A2E2B)

Authoritative answers covering Old Book Cover color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Old Book Cover (#3A2E2B)?
Old Book Cover is defined by the HEX code #3A2E2B. Its digital screen RGB coordinates are R:58, G:46, B:43. Its cylindrical HSL values are Hue:12°, Saturation:15%, Lightness:20%. In HSV/HSB format, it is 12°, 26%, 23%. For four-color CMYK process printing, its ink percentages are C:0%, M:21%, Y:26%, K:77%.
Does Old Book Cover (#3A2E2B) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Old Book Cover achieves a contrast ratio of 13.08:1 (Passing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 1.36:1 (Failing WCAG AA).
What is the direct complementary color for Old Book Cover (#3A2E2B)?
The exact 180-degree optical complementary color for #3A2E2B is #2B383B. When placed side-by-side, #3A2E2B and #2B383B create maximum visual tension and high click-through conversion rates.
What is the recommended role for Old Book Cover in the 60-30-10 UI design rule?
Because of its muted, low-chroma saturation (15%), Old Book Cover (#3A2E2B) excels as a secondary surface color for container cards, table borders, navigation sidebars, and divider strokes.
How can I copy and export Old Book Cover into Tailwind CSS and CSS variables?
You can define Old Book Cover in CSS custom properties as ':root { --color-custom: #3A2E2B; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Old Book Cover using our interactive Color Palette Generator.
Which color family does Old Book Cover (#3A2E2B) belong to?
Old Book Cover belongs to the Rose & Red family (Warm spectrum). You can explore full tonal ramps and curated palettes in our Rose & Red Color Guide.