Radical Red

HEX: #FF355E | Modern Palette

On White
3.55:1
FAIL
On Black
5.92:1
PASS

Color Specifications

HEX
#FF355E
RGB
255, 53, 94
HSL
347°, 100% ,60%
CMYK
0, 79, 63, 0

About Radical Red

Radical Red (#FF355E) is a color with RGB(255, 53, 94) and HSL(347.8°, 100%, 60.4%). It is commonly associated with Energetic, Bold moods. In design, it fits Vivid, Neon styles and is suitable for Text, Button, Accent. Its complementary color is #35FFD6, which creates strong contrast. Its triadic palette includes #5EFF35 and #355EFF. The name comes from Radical Red (English).

  • HEX: #FF355E
  • RGB: 255, 53, 94
  • HSL: 347.8°, 100%, 60.4%
  • Mood: Energetic, Bold
  • Style: Vivid, Neon
  • Use case: Text, Button, Accent
  • Complementary color: #35FFD6
  • Triadic colors: #5EFF35, #355EFF
  • The name comes from Radical Red (English).

Live Components

LIGHT
DARK
System Notification Box

Color Palettes

Radical Red #FF355E is used in Monochromatic, Neutral + Accent, Analogous, 3 + 1 + 1 palettes, giving designers ready-made combinations for backgrounds, surfaces, accents, and interface elements.

Monochromatic Five tones of the same hue — a reliable scale for backgrounds, surfaces, and text.
 
 
 
RADICAL RED
 
Neutral + Accent Four near-neutral tones grounded by a saturated accent — clean and versatile for UI.
 
 
RADICAL RED
 
 
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

Radical Red #FF355E pairs with #35FFD6 as its complementary color, and #5EFF35 and #355EFF in triadic combinations. These harmony relationships help create balanced color combinations for UI, branding, and design work.

Complementary

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

RADICAL RED
Analogous

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

RADICAL RED
Triadic

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

RADICAL RED
Split-Complementary

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

RADICAL RED
Tetradic (Square)

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

RADICAL RED
Monochromatic

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

RADICAL RED

Shades & Tints

The shade and tint range for Radical Red #FF355E moves from dark #1A0005 tones through the base color to lighter #FFE6EB tones, making it useful for depth, hierarchy, and background variation.

RADICAL RED

Color Characteristics

Mood
Energetic Bold
Style
Vivid Neon
Use case
Text Button Accent

Accessibility Simulation

Deuteranopia #989855
Protanopia #696960
Tritanopia #FE3C3C
Achromatopsia #888888

Frequently Asked Questions

Radical Red (#FF355E) is a color with RGB(255, 53, 94) and HSL(347.8°, 100%, 60.4%).

#FF355E pairs strongly with #35FFD6 as its complementary color. It can also be used with neutral tones for balanced UI and design layouts.

#FF355E is suitable for Text, Button, Accent and works well with Vivid, Neon styles.

#FF355E is commonly associated with Energetic, Bold.

The name Radical Red is linked to Radical Red from English, meaning A vivid, intense shade of red, often associated with strong emotions or political movements..

Name, History & Etymology

Origin Word Radical Red
Meaning A vivid, intense shade of red, often associated with strong emotions or political movements.
Language English
First Recorded Use Late 20th Century

History

While 'red' as a color has ancient roots and diverse symbolism across cultures (love, anger, danger, passion, communism, etc.), the specific descriptor 'Radical Red' is a more recent invention. It plays on the existing connotations of 'radical' – meaning fundamental, extreme, or revolutionary – and applies it to the intensity of the red hue. This naming convention is common in digital color palettes, where evocative names help differentiate shades and provide a sense of character. It doesn't have a deep historical origin as a named pigment like 'ultramarine' or 'carmine' but rather as a descriptive term for a digital color.

First Recorded Use

The specific color name 'Radical Red' (and its hex code #ff355e) is a modern designation, likely emerging with the proliferation of digital color systems and web design in the late 20th and early 21st centuries. The term 'radical' in relation to color intensity or political association has a longer history, but the precise naming of this hex value is contemporary.

Cultural Associations

The term 'radical' itself carries significant cultural weight, often associated with political extremism (both left and right), revolutionary movements, or fundamental change. When paired with 'red,' which is already a color strongly linked to communism, socialism, passion, and danger, 'Radical Red' evokes a sense of boldness, intensity, and perhaps even defiance. It's a color that demands attention and suggests a strong, uncompromising stance. In design, it might be used to convey urgency, excitement, or a cutting-edge aesthetic.

Similar Named Colors
Neon Fuchsia #FE4164 ΔE 1.39
Awesome #FF2052 ΔE 2.47
Folly #FF004F ΔE 3.40
Desire #EA3C53 ΔE 4.16

Code Snippets

/* Background */
.element {
    background-color: #FF355E;
}

/* Text */
.element {
    color: #FF355E;
}

/* Border */
.element {
    border: 1px solid #FF355E;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #FF355E,
        #35FFD6
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #FF355E,
        #35FFD6
    );
}

// SCSS variable
$radical-red: #FF355E;

// With RGB channels (useful for rgba() usage)
$radical-red-r: 255;
$radical-red-g: 53;
$radical-red-b: 94;

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