#ff424e

Coral Red

Closest match (97% match)

Color formats

RGB

rgb(255, 66, 78)

Red, Green, Blue components

HSL

hsl(356, 100%, 63%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 74, 69, 0)

Print color encoding

Luminance

0.257

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#ff424e

#42fff3

Analogous (Adjacent)

#ff42ac

#ff424e

#ff9542

Triadic

#ff424e

#4eff42

#424eff

Split complementary

#ff424e

#42ff95

#42adff

Complete conversion table

HEX

#FF424E

RGB

rgb(255,66,78)

RGBA

rgba(255,66,78, 1)

HSL

hsl(356.19,100%,62.94%)

OKLCH (Modern CSS)

oklch(0.66 0.22 22.7)

CSS Variable

--color: #ff424e;

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%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

3.42

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

6.14

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#ff424e#47474e

ORIG

SIM

Deuteranopia (green)

#ff424e#bbca4e

ORIG

SIM

Tritanopia (blue)

#ff424e#f68d9b

ORIG

SIM

Monochrome (color blind)

#ff424e#b87b77

Mixing guide

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

MIXING PALETTE

72%

26%

RYB PIGMENTS

Cadmium red

Pigment

72%

Titanium white

Pigment

26%

Ultramarine blue

Pigment

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

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Red hue

620–750 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Warm

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

25.7%

Dark • relative luminance

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

Blood Burst

#FF474C

Hotter Than Hell

#FF4455

Devil’s Advocate

#FF3344

Cherry Paddle Pop

#FE314B

Cyan / Aqua

#42FFF3

Neon Carrot

#FF9542

Wild Strawberry

#FF42AD

Screamin' Green

#4EFF42

Dodger Blue

#424EFF

Screamin' Green

#42FF95

Vivid Tangerine

#FF8483

Monza

#B9001E