#b52604

Crimson Velvet Sunset

ReadyTools Database (Exact)

Milano Red

~98% match

Color formats

RGB

rgb(181, 38, 4)

Red, Green, Blue components

HSL

hsl(12, 96%, 36%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 79, 98, 29)

Print color encoding

Luminance

0.112

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#b52604

#0493b5

Analogous (Adjacent)

#b5043a

#b52604

#b57f04

Triadic

#b52604

#04b526

#2604b5

Split complementary

#b52604

#04b57f

#043ab5

Complete conversion table

HEX

#B52604

RGB

rgb(181,38,4)

RGBA

rgba(181,38,4, 1)

HSL

hsl(11.53,95.68%,36.27%)

OKLCH (Modern CSS)

oklch(0.50 0.18 33.1)

CSS Variable

--color: #b52604;

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

6.47

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.24

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#b52604#171704

ORIG

SIM

Deuteranopia (green)

#b52604#728004

ORIG

SIM

Tritanopia (blue)

#b52604#ae6069

ORIG

SIM

Monochrome (color blind)

#b52604#7e5447

Mixing guide

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

MIXING PALETTE

58%

28%

14%

RYB PIGMENTS

Cadmium red

Pigment

58%

Ivory black

Pigment

28%

Cadmium yellow

Pigment

14%

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)

11.2%

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.

Rusty Red

#AF2F0D

Lobster

#BB240C

Salsa Picante

#AB250B

Once Bitten

#BD2F10

Bondi Blue

#0493B5

Pirate Gold

#B57F04

Shiraz

#B5043A

Malachite

#04B526

Dark Blue

#2604B5

Niagara

#04B57F

Outrageous Orange

#FA643B

Lonestar

#740000