Alarm (#ec0003) Hex Color Code

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#ec0003

#00ece9

Analogous (Adjacent)

#ec0079

#ec0003

#ec7300

Triadic

#ec0003

#03ec00

#0003ec

Split complementary

#ec0003

#00ec73

#0079ec

Complete conversion table

HEX

#EC0003

RGB

rgb(236,0,3)

RGBA

rgba(236,0,3, 1)

HSL

hsl(359.24,100%,46.27%)

OKLCH (Modern CSS)

oklch(0.59 0.24 29.0)

CSS Variable

--color: #ec0003;

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

Accessibility

Contrast and readability (WCAG)

On white background

4.60

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

On black background

4.57

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)

#ec0003#010103

ORIG

SIM

Deuteranopia (green)

#ec0003#93a603

ORIG

SIM

Tritanopia (blue)

#ec0003#e0656f

ORIG

SIM

Monochrome (color blind)

#ec0003#b45c47

Mixing guide

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

MIXING PALETTE

92%

7%

1%

RYB PIGMENTS

Cadmium red

Pigment

92%

Ivory black

Pigment

7%

Ultramarine blue

Pigment

1%

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

662 nm

453 THz • 1.87 eV

750nm

380nm

Color temperature

Warm

~2000-4000K

Cool

Warm

Luminance (brightness)

17.8%

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

90%

Original

Standard

red-600

#dc2626

ΔE: 5.0

Google Material

93%

Original

Standard

Deep Orange A700

#DD2C00

ΔE: 3.5

CSS Color Name

92%

Original

Standard

Red

#FF0000

ΔE: 4.1

Apple System (iOS)

84%

Original

Standard

System Red

#FF3B30

ΔE: 7.9

Code

CSS variable

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:root {
  --color-alarm: #ec0003;
  --rgb-alarm: 236, 0, 3;
}

SCSS variable

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$color-alarm: #ec0003;
$rgb-alarm: (236, 0, 3);

Tailwind config

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// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'alarm': '#ec0003',
      }
    }
  }
}

React Native

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const styles = StyleSheet.create({
  container: {
    backgroundColor: '#ec0003',
  },
  text: {
    color: '#ec0003',
  }
});

SwiftUI (iOS)

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// SwiftUI
let alarmColor = Color(
    red: 0.9254901960784314, 
    green: 0, 
    blue: 0.011764705882352941
)

Full JSON data

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{
  "name": "Alarm",
  "hex": "#ec0003",
  "rgb": {
    "r": 236,
    "g": 0,
    "b": 3
  },
  "hsl": {
    "h": 359,
    "s": 100,
    "l": 46
  }
}

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

#ec0003

Alarm

Red

rgb(236, 0, 3)

Red, Green, Blue components

hsl(359, 1, 0, 1)

Hue, Saturation, Lightness

cmyk(0, 100, 99, 7)

Print color encoding

0.178

Relative luminance

Variations

Harmonies

Complete conversion table

Preview

Accessibility

Contrast and readability (WCAG)

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.