Red (#ff0000) Hex Color Code - ReadyTools Chromo

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#ff0000

#00ffff

Analogous (Adjacent)

#ff007f

#ff0000

#ff8000

Triadic

#ff0000

#00ff00

#0000ff

Split complementary

#ff0000

#00ff80

#007fff

Intelligent palettes

Four generated color sets for different use cases.

Modern UI and monochrome

ffffff

ffa184

ff0000

7e0000

000000

Marketing and vibrant

ff0000

00ffff

00ff6b

FFFFFF

Harmonious and natural

ff00aa

ff0055

ff0000

ff5500

ffaa00

Pop Art and trendy

ff0000

9dff37

00ffff

6100e4

ffff69

Complete conversion table

HEX

#FF0000

RGB

rgb(255,0,0)

RGBA

rgba(255,0,0, 1)

HSL

hsl(0,100%,50%)

OKLCH (Modern CSS)

oklch(0.63 0.26 29.2)

CSS Variable

--color: #ff0000;

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.

Playful

We tell stories with colors

Aa

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

HEADLINE

700 Bold

'Quicksand'

BODY

400 Regular

'Nunito'

Bold

We tell stories with colors

Aa

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

HEADLINE

700 Bold

'Anton'

BODY

400 Regular

'Roboto Condensed'

Warm and friendly

We tell stories with colors

Aa

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

HEADLINE

700 Bold

'Abril Fatface'

BODY

400 Regular

'Poppins'

Kid-friendly

We tell stories with colors

Aa

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

HEADLINE

700 Bold

'Balsamiq Sans'

BODY

400 Regular

'Comic Neue'

Accessibility

Contrast and readability (WCAG)

On white background

4.00

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

On black background

5.25

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)

#ff0000#000000

ORIG

SIM

Deuteranopia (green)

#ff0000#9eb300

ORIG

SIM

Tritanopia (blue)

#ff0000#f26e78

ORIG

SIM

Monochrome (color blind)

#ff0000#c76149

Color Psychology

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

Dominant vibe

Passion

"Pure adrenaline. It triggers an immediate physiological response, increasing heart rate and driving action. The visual embodiment of passion and urgency."

Color personality description

Emotional effects

PassionEnergyUrgencyLoveIntense

Symbolic meanings

Love and strengthWarningHeart and emotion

Recommended industries

FoodToys and childrenBeauty and cosmeticsMarketingSports

Potential negative effects

Sense of aggressionSense of danger

Color laboratory

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

Base

#FF0000

Result

#FF0000

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

Cadmium red

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

660 nm

455 THz • 1.88 eV

750nm

380nm

Color temperature

Warm

~2000-4000K

Cool

Warm

Luminance (brightness)

21.3%

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

84%

Original

Standard

red-600

#dc2626

ΔE: 7.9

Google Material

90%

Original

Standard

Deep Orange A400

#FF3D00

ΔE: 5.1

CSS Color Name

100%

Original

Standard

Red

#FF0000

ΔE: 0.0

Apple System (iOS)

89%

Original

Standard

System Red

#FF3B30

ΔE: 5.4

Code

CSS variable

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5

:root {
  --color-red: #ff0000;
  --rgb-red: 255, 0, 0;
}

SCSS variable

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3

4

5

$color-red: #ff0000;
$rgb-red: (255, 0, 0);

Tailwind config

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5

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'red': '#ff0000',
      }
    }
  }
}

React Native

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5

const styles = StyleSheet.create({
  container: {
    backgroundColor: '#ff0000',
  },
  text: {
    color: '#ff0000',
  }
});

SwiftUI (iOS)

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4

5

// SwiftUI
let redColor = Color(
    red: 1, 
    green: 0, 
    blue: 0
)

Full JSON data

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5

{
  "name": "Red",
  "hex": "#ff0000",
  "rgb": {
    "r": 255,
    "g": 0,
    "b": 0
  },
  "hsl": {
    "h": 0,
    "s": 100,
    "l": 50
  }
}

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

#ff0000

Red

rgb(255, 0, 0)

Red, Green, Blue components

hsl(0, 1, 1, 1)

Hue, Saturation, Lightness

cmyk(0, 100, 100, 0)

Print color encoding

0.213

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

"Pure adrenaline. It triggers an immediate physiological response, increasing heart rate and driving action. The visual embodiment of passion and urgency."

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.