Mine Shaft (#3a3a3a) Hex Color Code

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#3a3a3a

Analogous (Adjacent)

#3a3a3a

Triadic

#3a3a3a

Split complementary

#3a3a3a

Intelligent palettes

Four generated color sets for different use cases.

Modern UI and monochrome

ffffff

b9b9b9

3a3a3a

3b3b3b

000000

Marketing and vibrant

3a3a3a

691e3b

3a3a3a

532f3b

FFFFFF

Harmonious and natural

3a3a3a

Pop Art and trendy

3a3a3a

4f4f4f

532f3b

272727

7b7b7b

Complete conversion table

HEX

#3A3A3A

RGB

rgb(58,58,58)

RGBA

rgba(58,58,58, 1)

HSL

hsl(0,0%,22.75%)

OKLCH (Modern CSS)

oklch(0.35 0.00 NaN)

CSS Variable

--color: #3a3a3a;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

1D

1W

1M

WED

2,450

Font recommendations

Professional font pairings that perfectly match the color. Click the CSS button to copy.

Modern

We tell stories with colors

Aa

Choosing the right typeface is key to brand identity and user experience.

HEADLINE

700 Bold

'Inter'

BODY

400 Regular

'Inter'

Technological

We tell stories with colors

Aa

Choosing the right typeface is key to brand identity and user experience.

HEADLINE

700 Bold

'JetBrains Mono'

BODY

400 Regular

-apple-system

Futuristic

We tell stories with colors

Aa

Choosing the right typeface is key to brand identity and user experience.

HEADLINE

700 Bold

'Orbitron'

BODY

400 Regular

'Rajdhani'

Brutalist

We tell stories with colors

Aa

Choosing the right typeface is key to brand identity and user experience.

HEADLINE

700 Bold

'Oswald'

BODY

400 Regular

'Arial Black'

Accessibility

Contrast and readability (WCAG)

On white background

11.37

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

On black background

1.85

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#3a3a3a#3a3a3a

ORIG

SIM

Deuteranopia (green)

#3a3a3a#393a3a

ORIG

SIM

Tritanopia (blue)

#3a3a3a#3a343a

ORIG

SIM

Monochrome (color blind)

#3a3a3a#3a3a3a

Color Psychology

Emotional, psychological, and cultural impact of the color with scientifically grounded analysis.

Dominant vibe

Balance

"A cornerstone of modern minimalism. Intellectual, uncompromising, and technological. It conveys stability without emotional extremes."

Color personality description

Emotional effects

ProfessionalismSeriousnessBalanceModern

Symbolic meanings

NeutralityTechnologyStability and security

Recommended industries

TechnologyLegalCorporateArchitecture

Potential negative effects

Boring

Color laboratory

Fine tuning and blending. Adjust lightness, saturation, or mix with another color.

Base

#3A3A3A

Result

#3A3A3A

Lightness

0

Saturation

0

Hue

0°

Temperature

0

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

100%

RYB PIGMENTS

Ivory black

Pigment

100%

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Scientific data of the color: optics and energy.

Wavelength

N/A

750nm

380nm

Color temperature

Neutral

Cool

Warm

Luminance (brightness)

4.2%

Sötét / Dark

0%

50%

100%

Intelligent Library Matching

Compare your color with industry standards and design systems. Results show similar or exact matches from multiple color libraries.

Tailwind CSS

96%

Original

Standard

neutral-700

#404040

ΔE: 2.0

Google Material

95%

Original

Standard

Grey 800

#424242

ΔE: 2.6

CSS Color Name

72%

Original

Standard

DarkSlateGray

#2F4F4F

ΔE: 13.8

Apple System (iOS)

90%

Original

Standard

System Graphite

#48484A

ΔE: 4.9

Code

CSS variable

1

2

3

4

5

:root {
  --color-primary: #3a3a3a;
  --rgb-primary: 58, 58, 58;
}

SCSS variable

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2

3

4

5

$color-primary: #3a3a3a;
$rgb-primary: (58, 58, 58);

Tailwind config

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3

4

5

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'primary': '#3a3a3a',
      }
    }
  }
}

React Native

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3

4

5

const styles = StyleSheet.create({
  container: {
    backgroundColor: '#3a3a3a',
  },
  text: {
    color: '#3a3a3a',
  }
});

SwiftUI (iOS)

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5

// SwiftUI
let primaryColor = Color(
    red: 0.22745098039215686, 
    green: 0.22745098039215686, 
    blue: 0.22745098039215686
)

Full JSON data

1

2

3

4

5

{
  "name": "Mine Shaft",
  "hex": "#3a3a3a",
  "rgb": {
    "r": 58,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 0,
    "l": 23
  }
}

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

TRENDY

Sunset

TRENDY

Deep sea

BOLD

Dynamic contrast

DUOTONE

Night duotone

DUOTONE

Icy duotone

#3a3a3a

Mine Shaft

rgb(58, 58, 58)

Red, Green, Blue components

hsl(0, 0, 0, 1)

Hue, Saturation, Lightness

cmyk(0, 0, 0, 77)

Print color encoding

0.042

Relative luminance

Variations

Harmonies

Intelligent palettes

Four generated color sets for different use cases.

Complete conversion table

Preview

Font recommendations

Professional font pairings that perfectly match the color. Click the CSS button to copy.

Accessibility

Contrast and readability (WCAG)

Color Psychology

"A cornerstone of modern minimalism. Intellectual, uncompromising, and technological. It conveys stability without emotional extremes."

Color laboratory

Fine tuning and blending. Adjust lightness, saturation, or mix with another color.

Mixing guide

How to mix this color using physical paints or printing inks.

Physical properties

Intelligent Library Matching

Compare your color with industry standards and design systems. Results show similar or exact matches from multiple color libraries.

Code

Gradient gallery

Generate premium CSS backgrounds and textures from your color.