#bb1840

Cardinal

Closest match (96% match)

Color formats

RGB

rgb(187, 24, 64)

Red, Green, Blue components

HSL

hsl(345, 77%, 41%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 87, 66, 27)

Print color encoding

Luminance

0.116

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#bb1840

#18bb93

Analogous (Adjacent)

#bb1891

#bb1840

#bb4218

Triadic

#bb1840

#40bb18

#1840bb

Split complementary

#bb1840

#18bb42

#1891bb

Complete conversion table

HEX

#BB1840

RGB

rgb(187,24,64)

RGBA

rgba(187,24,64, 1)

HSL

hsl(345.28,77.25%,41.37%)

OKLCH (Modern CSS)

oklch(0.51 0.19 15.6)

CSS Variable

--color: #bb1840;

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

6.33

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.32

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#bb1840#2a2a40

ORIG

SIM

Deuteranopia (green)

#bb1840#8c9640

ORIG

SIM

Tritanopia (blue)

#bb1840#b35c65

ORIG

SIM

Monochrome (color blind)

#bb1840#74595a

Mixing guide

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

MIXING PALETTE

69%

21%

10%

RYB PIGMENTS

Cadmium red

Pigment

69%

Ivory black

Pigment

21%

Ultramarine blue

Pigment

10%

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)

11.6%

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.

Jalapeño Red

#C01141

Rural Red

#BB1144

Cherryade

#B22743

Timeless Beauty

#B6273E

Mountain Meadow

#18BB93

Orange Roughy

#BB4218

Red Violet

#BB1891

Christi

#40BB18

Persian Blue

#1840BB

Malachite

#18BB42

Wild Watermelon

#FF5F73

Venetian Red

#790013