#ff4140

Coral Red

Closest match (100% match)

Color formats

RGB

rgb(255, 65, 64)

Red, Green, Blue components

HSL

hsl(0, 100%, 63%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 75, 75, 0)

Print color encoding

Luminance

0.254

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#ff4140

#40feff

Analogous (Adjacent)

#ff409e

#ff4140

#ffa140

Triadic

#ff4140

#40ff41

#4140ff

Split complementary

#ff4140

#40ffa0

#409eff

Complete conversion table

HEX

#FF4140

RGB

rgb(255,65,64)

RGBA

rgba(255,65,64, 1)

HSL

hsl(0.31,100%,62.55%)

OKLCH (Modern CSS)

oklch(0.66 0.23 26.2)

CSS Variable

--color: #ff4140;

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

3.45

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

6.08

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#ff4140#414140

ORIG

SIM

Deuteranopia (green)

#ff4140#b6c640

ORIG

SIM

Tritanopia (blue)

#ff4140#f68c9a

ORIG

SIM

Monochrome (color blind)

#ff4140#bb7970

Mixing guide

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

MIXING PALETTE

75%

25%

RYB PIGMENTS

Cadmium red

Pigment

75%

Titanium white

Pigment

25%

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)

25.4%

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.

Coral Red

#FF4040

Pumping Spice

#F7504A

Pelati

#FF3333

Flamboyant

#F73D37

Cyan / Aqua

#40FEFF

Yellow Orange

#FFA140

Wild Strawberry

#FF409E

Screamin' Green

#40FF41

Blue Ribbon

#4140FF

Screamin' Green

#40FFA0

Salmon

#FF8375

Guardsman Red

#B80010