Cadmium Red

HEX: #E30022 | Modern Palette

On White
4.90:1
PASS
On Black
4.29:1
FAIL

Color Specifications

HEX
#E30022
RGB
227, 0, 34
HSL
351°, 100% ,44%
CMYK
0, 100, 85, 11

About Cadmium Red

Cadmium Red (#E30022) is a color with RGB(227, 0, 34) and HSL(351°, 100%, 44.5%). It is commonly associated with Energetic, Bold moods. In design, it fits Vivid, Warm styles and is suitable for Text, Button, Accent. Its complementary color is #00E3C1, which creates strong contrast. Its triadic palette includes #22E300 and #0022E3. The name comes from Cadmium Red (English).

  • HEX: #E30022
  • RGB: 227, 0, 34
  • HSL: 351°, 100%, 44.5%
  • Mood: Energetic, Bold
  • Style: Vivid, Warm
  • Use case: Text, Button, Accent
  • Complementary color: #00E3C1
  • Triadic colors: #22E300, #0022E3
  • The name comes from Cadmium Red (English).

Live Components

LIGHT
DARK
System Notification Box

Color Palettes

Monochromatic Five tones of the same hue — a reliable scale for backgrounds, surfaces, and text.
Neutral + Accent Four near-neutral tones grounded by a saturated accent — clean and versatile for UI.
Analogous Five hues drifting across a 60° arc — naturally harmonious and pleasing to the eye.
3 + 1 + 1 Three analogous base colors, one complementary accent, one dark anchor — bold yet balanced.

Color Harmonies

Complementary

The color directly opposite on the color wheel — creates maximum contrast and vibrance.

Analogous

Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.

Triadic

Three colors equally spaced 120° apart — bold, balanced, and visually rich.

Split-Complementary

Two colors flanking the complement — high contrast with less tension than full complementary.

Tetradic (Square)

Four colors at 90° intervals — rich variety, best when one color dominates.

Monochromatic

Shades and tints of the same hue — cohesive, elegant, and easy to work with.

Shades & Tints

A seamless scale of #E30022 from deepest shade to lightest tint.

Color Characteristics

Mood
Energetic Bold
Style
Vivid Warm
Use case
Text Button Accent

Accessibility Simulation

Deuteranopia #828200
Protanopia #525226
Tritanopia #E30707
Achromatopsia #717171

Frequently Asked Questions

Cadmium Red (#E30022) is a color with RGB(227, 0, 34) and HSL(351°, 100%, 44.5%).

#E30022 pairs strongly with #00E3C1 as its complementary color. It can also be used with neutral tones for balanced UI and design layouts.

#E30022 is suitable for Text, Button, Accent and works well with Vivid, Warm styles.

#E30022 is commonly associated with Energetic, Bold.

The name Cadmium Red is linked to Cadmium Red from English, meaning A red pigment primarily composed of cadmium sulfoselenide..

Name, History & Etymology

Origin Word Cadmium Red
Meaning A red pigment primarily composed of cadmium sulfoselenide.
Language English
First Recorded Use Early 20th Century

History

Cadmium pigments were first discovered in the early 19th century, but cadmium red specifically was developed and introduced to artists in 1907. It quickly gained popularity due to its vibrant, opaque, and lightfast qualities, offering a significant improvement over many earlier red pigments which were prone to fading or darkening. Its introduction marked a new era for artists seeking stable and brilliant reds.

First Recorded Use

1907

Cultural Associations

Cadmium Red is widely recognized in the art world as a staple pigment, particularly in oil and acrylic painting. Its intensity and permanence have made it a favorite for capturing vibrant reds in landscapes, portraits, and abstract works. It is often associated with modern and contemporary art due to its relatively recent widespread adoption compared to older pigments. Due to its cadmium content, there are environmental and health considerations regarding its disposal and handling, leading some artists and manufacturers to seek less toxic alternatives, though its unique properties keep it in demand.

Similar Named Colors
Spanish Red #E60026 ΔE 0.97
Medium Candy Apple Red #E2062C ΔE 2.20
Lust #E62020 ΔE 2.76
Red (pigment) #ED1C24 ΔE 3.29

Code Snippets

/* Background */
.element {
    background-color: #E30022;
}

/* Text */
.element {
    color: #E30022;
}

/* Border */
.element {
    border: 1px solid #E30022;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #E30022,
        #00E3C1
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #E30022,
        #00E3C1
    );
}

// SCSS variable
$cadmium-red: #E30022;

// With RGB channels (useful for rgba() usage)
$cadmium-red-r: 227;
$cadmium-red-g: 0;
$cadmium-red-b: 34;

// Usage
.element {
    background-color: $cadmium-red;
    color: rgba($cadmium-red-r, $cadmium-red-g, $cadmium-red-b, 0.8);
}