#b23b4d

Night Shadz

Closest match (94% match)

Color formats

RGB

rgb(178, 59, 77)

Red, Green, Blue components

HSL

hsl(351, 50%, 46%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 67, 57, 30)

Print color encoding

Luminance

0.131

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#b23b4d

#3bb2a0

Analogous (Adjacent)

#b23b88

#b23b4d

#b2653b

Triadic

#b23b4d

#4db23b

#3b4db2

Split complementary

#b23b4d

#3bb265

#3b88b2

Complete conversion table

HEX

#B23B4D

RGB

rgb(178,59,77)

RGBA

rgba(178,59,77, 1)

HSL

hsl(350.92,50.21%,46.47%)

OKLCH (Modern CSS)

oklch(0.53 0.15 15.3)

CSS Variable

--color: #b23b4d;

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

5.79

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.63

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#b23b4d#43434d

ORIG

SIM

Deuteranopia (green)

#b23b4d#8b944d

ORIG

SIM

Tritanopia (blue)

#b23b4d#ac6873

ORIG

SIM

Monochrome (color blind)

#b23b4d#656565

Mixing guide

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

MIXING PALETTE

80%

13%

RYB PIGMENTS

Cadmium red

Pigment

80%

Ivory black

Pigment

13%

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

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)

13.1%

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.

Romantic Embers

#B23E4F

Chubby Kiss

#B43548

Merlot Magic

#B64055

Roses are Red

#AA3646

Keppel

#3BB2A0

Brown Rust

#B2653B

Medium Red Violet

#B23B88

Apple

#4DB23B

Azure

#3B4DB2

Chateau Green

#3BB265

Froly

#F37582

Venetian Red

#73001E