#240021

Toledo

Closest match (92% match)

Color formats

RGB

rgb(36, 0, 33)

Red, Green, Blue components

HSL

hsl(305, 100%, 7%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 100, 8, 86)

Print color encoding

Luminance

0.005

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#240021

#002403

Analogous (Adjacent)

#150024

#240021

#24000f

Triadic

#240021

#212400

#002124

Split complementary

#240021

#0f2400

#002415

Complete conversion table

HEX

#240021

RGB

rgb(36,0,33)

RGBA

rgba(36,0,33, 1)

HSL

hsl(305,100%,7.06%)

OKLCH (Modern CSS)

oklch(0.18 0.08 331.9)

CSS Variable

--color: #240021;

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

19.14

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.10

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#240021#0f0f21

ORIG

SIM

Deuteranopia (green)

#240021#232321

ORIG

SIM

Tritanopia (blue)

#240021#220f11

ORIG

SIM

Monochrome (color blind)

#240021#0f0f0f

Mixing guide

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

MIXING PALETTE

86%

RYB PIGMENTS

Ivory black

Pigment

86%

Cadmium red

Pigment

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

Non-spectral color

No single wavelength

750 nm

380 nm

Visual temperature

Neutral

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

Cool

Neutral

Warm

Luminance (brightness)

0.5%

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.

Black Sabbath

#220022

Vienna Roast

#330022

Coalmine

#220033

Belladonna

#220011

Deep Fir

#002403

Temptress

#24000F

Black Russian

#150024

Cola

#212400

Swamp

#002124

Deep Fir

#0F2400

Eggplant

#553151

Black

#000000