#1b0021

Black Russian

Closest match (93% match)

Color formats

RGB

rgb(27, 0, 33)

Red, Green, Blue components

HSL

hsl(289, 100%, 6%)

Hue, Saturation, Lightness

CMYK

cmyk(18, 100, 0, 87)

Print color encoding

Luminance

0.003

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#1b0021

#062100

Analogous (Adjacent)

#0b0021

#1b0021

#210016

Triadic

#1b0021

#211b00

#00211b

Split complementary

#1b0021

#172100

#00210b

Complete conversion table

HEX

#1B0021

RGB

rgb(27,0,33)

RGBA

rgba(27,0,33, 1)

HSL

hsl(289.09,100%,6.47%)

OKLCH (Modern CSS)

oklch(0.16 0.08 320.6)

CSS Variable

--color: #1b0021;

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

19.65

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.07

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#1b0021#0f0f21

ORIG

SIM

Deuteranopia (green)

#1b0021#1d1d21

ORIG

SIM

Tritanopia (blue)

#1b0021#1a0c0d

ORIG

SIM

Monochrome (color blind)

#1b0021#0b0b0b

Mixing guide

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

MIXING PALETTE

83%

10%

RYB PIGMENTS

Ivory black

Pigment

83%

Cadmium red

Pigment

10%

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

Cool

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

Cool

Neutral

Warm

Luminance (brightness)

0.3%

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

Coalmine

#220033

Quiet Abyss

#160435

Belladonna

#220011

Deep Fir

#062100

Toledo

#210016

Black Russian

#0B0021

Nero

#211B00

Swamp

#00211B

Deep Fir

#162100

Voodoo

#493251

Black

#000000