#dd170e

Crimson

Closest match (90% match)

Color formats

RGB

rgb(221, 23, 14)

Red, Green, Blue components

HSL

hsl(3, 88%, 46%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 90, 94, 13)

Print color encoding

Luminance

0.160

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#dd170e

#0ed4dd

Analogous (Adjacent)

#dd0e6d

#dd170e

#dd7f0e

Triadic

#dd170e

#0edd17

#170edd

Split complementary

#dd170e

#0edd7f

#0e6ddd

Complete conversion table

HEX

#DD170E

RGB

rgb(221,23,14)

RGBA

rgba(221,23,14, 1)

HSL

hsl(2.61,88.09%,46.08%)

OKLCH (Modern CSS)

oklch(0.57 0.22 29.3)

CSS Variable

--color: #dd170e;

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

5.00

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.20

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#dd170e#13130e

ORIG

SIM

Deuteranopia (green)

#dd170e#8e9f0e

ORIG

SIM

Tritanopia (blue)

#dd170e#d36a74

ORIG

SIM

Monochrome (color blind)

#dd170e#a45c4b

Mixing guide

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

MIXING PALETTE

87%

RYB PIGMENTS

Cadmium red

Pigment

87%

Ivory black

Pigment

Cadmium yellow

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)

16.0%

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.

Hot Flamin Chilli

#DD180E

Passion for Revenge

#DD0D06

Red Wrath of Zeus

#E0180C

Stoplight

#DD1111

Bright Turquoise

#0ED4DD

Golden Bell

#DD7F0E

Razzmatazz

#DD0E6C

Malachite

#0EDD17

Dark Blue

#170EDD

Malachite

#0EDD7F

Outrageous Orange

#FF6444

Red Berry

#970000