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Color Directory/Neutral Gray

Neutral Gray (#737373)

Luminance: 17% · Nearest standard name: Neutral Gray

Generate Around This Color
NEUTRAL GRAY
#737373
rgb(115, 115, 115) · hsl(0°, 0%, 45%)
HEX#737373
RGB115, 115, 115
HSL0°, 0%, 45%
HSV / HSB0°, 0%, 45%
CMYK (Print)0%, 0%, 0%, 55%

Color Harmonies

Complementary

#737373#737373

Analogous

#737373#737373#737373

Triadic

#737373#737373#737373

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)4.74:1

Sample text rendered with #737373 on white

AA Normal: PASSAA Large: PASS
Against Dark (#0F172A)3.77:1

Sample text rendered with #737373 on dark

AA Normal: FAILAA Large: PASS

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Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Neutral Gray (#737373)

Neutral Gray (#737373) is a distinct shade within the Slate & Neutral chromatic spectrum. Characterized by an optical luminance of 17% 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#737373
RGB Space115, 115, 115
HSL Values0°, 0%, 45%
HSV / HSB0°, 0%, 45%
CMYK Ink0%, 0%, 0%, 55%
TemperatureNeutral

Optical Color Harmony Formulas for Neutral Gray

Geometric intervals calculated from #737373 on the 360-degree color wheel.

Direct Polar (180°)#737373

Complementary Harmony

Pairs Neutral Gray with its polar opposite (#737373) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#737373 · #737373

Analogous Harmony

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

Split Angles (150° / 210°)#737373 · #737373

Split-Complementary

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

Triangular (120°)#737373 · #737373

Triadic Harmony

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

Rectangular (90°)#737373 · #737373 · #737373

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 Neutral Gray

Lock #737373 inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Neutral Gray

Recommended proportional volume and semantic interface assignment.

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

Because of its muted, low-chroma saturation (0%), Neutral Gray (#737373) 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 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

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 Neutral Gray with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Neutral Gray

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

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-737373: #737373;
  --color-737373-rgb: 115, 115, 115;
  --color-737373-hsl: 0deg 0% 45%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        '737373': '#737373',
      }
    }
  }
};

Explore Related Color Tools for Neutral Gray

Continue developing your color system with specialized design tools.

Palette Generator

Generate harmonious 5-color palettes anchored to Neutral Gray.

Launch Tool

WCAG Contrast Checker

Verify Level AA and AAA readability for Neutral Gray against any background.

Check Contrast

Shades & Tints Scale

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

Expand Scale

CSS Gradient Generator

Create linear and radial gradients blending Neutral Gray with complementary hues.

Build Gradients

Frequently Asked Questions About Neutral Gray (#737373)

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

What are the exact digital and print color codes for Neutral Gray (#737373)?
Neutral Gray is defined by the HEX code #737373. Its digital screen RGB coordinates are R:115, G:115, B:115. Its cylindrical HSL values are Hue:0°, Saturation:0%, Lightness:45%. In HSV/HSB format, it is 0°, 0%, 45%. For four-color CMYK process printing, its ink percentages are C:0%, M:0%, Y:0%, K:55%.
Does Neutral Gray (#737373) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Neutral Gray achieves a contrast ratio of 4.74:1 (Passing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 3.77:1 (Failing WCAG AA).
What is the direct complementary color for Neutral Gray (#737373)?
The exact 180-degree optical complementary color for #737373 is #737373. When placed side-by-side, #737373 and #737373 create maximum visual tension and high click-through conversion rates.
What is the recommended role for Neutral Gray in the 60-30-10 UI design rule?
Because of its muted, low-chroma saturation (0%), Neutral Gray (#737373) excels as a secondary surface color for container cards, table borders, navigation sidebars, and divider strokes.
How can I copy and export Neutral Gray into Tailwind CSS and CSS variables?
You can define Neutral Gray in CSS custom properties as ':root { --color-custom: #737373; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Neutral Gray using our interactive Color Palette Generator.
Which color family does Neutral Gray (#737373) belong to?
Neutral Gray belongs to the Slate & Neutral family (Neutral spectrum). You can explore full tonal ramps and curated palettes in our Slate & Neutral Color Guide.