Is Sienna (#A0522D) accessible for digital body text?

Against a pure white background (#FFFFFF), #A0522D achieves a contrast ratio of 5.62:1 (Passing WCAG AA normal text). Against a dark slate background (#0F172A), it achieves a contrast ratio of 3.18:1 (Failing WCAG AA normal text).

Which color harmonies pair best with Sienna?

The exact complementary color for #A0522D is #2D7B9F. For analogous pairings, use #9F2D42 and #9F8A2D. You can explore these combinations further in our Color Harmony Generator.

Color Directory/Sienna

Sienna (#A0522D)

Q: What are the exact digital and print color codes for Sienna (#A0522D)?

Sienna has the HEX code #A0522D. In RGB color coordinates, its values are 160, 82, 45. In HSL, it is 19°, 56%, 40%. In CMYK print values, it corresponds to C:0% M:49% Y:72% K:37%.

Luminance: 14% · Nearest standard name: Sienna

Generate Around This Color

SIENNA

#A0522D

rgb(160, 82, 45) · hsl(19°, 56%, 40%)

HEX#A0522D

RGB160, 82, 45

HSL19°, 56%, 40%

HSV / HSB19°, 72%, 63%

CMYK (Print)0%, 49%, 72%, 37%

Color Harmonies

Complementary

#A0522D#2D7B9F

Analogous

#9F2D42#A0522D#9F8A2D

Triadic

#A0522D#2D9F51#512D9F

Tints & Shades

Lighter Tints

Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)5.62:1

Sample text rendered with #A0522D on white

AA Normal: PASSAA Large: PASS

Against Dark (#0F172A)3.18:1

Sample text rendered with #A0522D on dark

AA Normal: FAILAA Large: PASS

Palettes Featuring Similar Tones

cp-featured-01Technology

TechModernCool

cp-featured-02Sunset

SunsetGradientCreative

cp-featured-03Vintage

VintageRetroWarm

cp-featured-04Gaming

Cyber Glitch Protocol

GamingFuturisticNeon

Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Sienna (#A0522D)

Sienna (#A0522D) is a distinct shade within the Coral & Orange chromatic spectrum. Characterized by an optical luminance of 14% 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#A0522D

RGB Space160, 82, 45

HSL Values19°, 56%, 40%

HSV / HSB19°, 72%, 63%

CMYK Ink0%, 49%, 72%, 37%

TemperatureWarm

Optical Color Harmony Formulas for Sienna

Geometric intervals calculated from #A0522D on the 360-degree color wheel.

Direct Polar (180°)#2D7B9F

Complementary Harmony

Pairs Sienna with its polar opposite (#2D7B9F) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#9F2D42 · #9F8A2D

Analogous Harmony

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

Split Angles (150° / 210°)#2D9F8A · #2D429F

Split-Complementary

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

Triangular (120°)#2D9F51 · #512D9F

Triadic Harmony

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

Rectangular (90°)#429F2D · #2D7B9F · #8A2D9F

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 Sienna

Lock #A0522D inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Sienna

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Interactive Brand Accent (10% Volume)

With a saturation of 56% and lightness of 40%, Sienna (#A0522D) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.

Light Mode SurfaceIdeal for buttons and badges

Dark Mode AdaptationDesaturate slightly for ambient glow

Tonal Expansion ScaleView 10-step design token ramp →

Color Psychology & Industry Alignment

Strategic cognitive triggers and target sector recommendations.

Cognitive & Emotional Perception

Radiates high energy, urgency, passionate emotion, and dramatic visual power. Commands immediate human attention.

Optimal Industry Verticals

E-Commerce Flash Sales, Fitness Apparel, Gaming HUDs, Food & Beverage. Combining Sienna with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Sienna

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

CSS Custom Properties (:root)Vanilla CSS

:root {
  --color-a0522d: #A0522D;
  --color-a0522d-rgb: 160, 82, 45;
  --color-a0522d-hsl: 19deg 56% 40%;
}

tailwind.config.jsTailwind CSS

module.exports = {
  theme: {
    extend: {
      colors: {
        'a0522d': '#A0522D',
      }
    }
  }
};

Explore Related Color Tools for Sienna

Continue developing your color system with specialized design tools.

Palette Generator

Generate harmonious 5-color palettes anchored to Sienna.

Launch Tool

WCAG Contrast Checker

Verify Level AA and AAA readability for Sienna against any background.

Check Contrast

Shades & Tints Scale

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

Expand Scale

CSS Gradient Generator

Create linear and radial gradients blending Sienna with complementary hues.

Build Gradients

Frequently Asked Questions About Sienna (#A0522D)

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

What are the exact digital and print color codes for Sienna (#A0522D)?

Sienna is defined by the HEX code #A0522D. Its digital screen RGB coordinates are R:160, G:82, B:45. Its cylindrical HSL values are Hue:19°, Saturation:56%, Lightness:40%. In HSV/HSB format, it is 19°, 72%, 63%. For four-color CMYK process printing, its ink percentages are C:0%, M:49%, Y:72%, K:37%.

Does Sienna (#A0522D) pass WCAG 2.2 accessibility standards for text readability?

Against a pure white (#FFFFFF) background, Sienna achieves a contrast ratio of 5.62:1 (Passing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 3.18:1 (Failing WCAG AA).

What is the direct complementary color for Sienna (#A0522D)?

The exact 180-degree optical complementary color for #A0522D is #2D7B9F. When placed side-by-side, #A0522D and #2D7B9F create maximum visual tension and high click-through conversion rates.

What is the recommended role for Sienna in the 60-30-10 UI design rule?

How can I copy and export Sienna into Tailwind CSS and CSS variables?

You can define Sienna in CSS custom properties as ':root { --color-custom: #A0522D; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Sienna using our interactive Color Palette Generator.

Which color family does Sienna (#A0522D) belong to?

Sienna belongs to the Coral & Orange family (Warm spectrum). You can explore full tonal ramps and curated palettes in our Coral & Orange Color Guide.