#280a00

Nero

Closest match (90% match)

Color formats

RGB

rgb(40, 10, 0)

Red, Green, Blue components

HSL

hsl(15, 100%, 8%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 75, 100, 84)

Print color encoding

Luminance

0.007

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#280a00

#001e28

Analogous (Adjacent)

#28000a

#280a00

#281e00

Triadic

#280a00

#00280a

#0a0028

Split complementary

#280a00

#00281e

#000a28

Complete conversion table

HEX

#280A00

RGB

rgb(40,10,0)

RGBA

rgba(40,10,0, 1)

HSL

hsl(15,100%,7.84%)

OKLCH (Modern CSS)

oklch(0.19 0.06 44.6)

CSS Variable

--color: #280a00;

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

18.52

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.13

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#280a00#060600

ORIG

SIM

Deuteranopia (green)

#280a00#191c00

ORIG

SIM

Tritanopia (blue)

#280a00#271618

ORIG

SIM

Monochrome (color blind)

#280a00#131313

Mixing guide

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

MIXING PALETTE

84%

12%

RYB PIGMENTS

Ivory black

Pigment

84%

Cadmium red

Pigment

12%

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

Orange hue

590–620 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)

0.7%

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.

Dwarf Fortress

#1D0200

Italian Roast

#221111

English Breakfast

#441111

Bruised Plum

#3B1921

Swamp

#001E28

Cola

#281E00

Temptress

#28000A

Deep Fir

#00280A

Black Russian

#0A0028

Burnham

#00281E

Congo Brown

#5A3934

Black

#000000