#370004

Temptress

Closest match (99% match)

Color formats

RGB

rgb(55, 0, 4)

Red, Green, Blue components

HSL

hsl(356, 100%, 11%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 100, 93, 78)

Print color encoding

Luminance

0.008

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#370004

#003733

Analogous (Adjacent)

#37001f

#370004

#371800

Triadic

#370004

#043700

#000437

Split complementary

#370004

#003718

#001f37

Complete conversion table

HEX

#370004

RGB

rgb(55,0,4)

RGBA

rgba(55,0,4, 1)

HSL

hsl(355.64,100%,10.78%)

OKLCH (Modern CSS)

oklch(0.21 0.09 23.8)

CSS Variable

--color: #370004;

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

18.04

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.16

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#370004#020204

ORIG

SIM

Deuteranopia (green)

#370004#242804

ORIG

SIM

Tritanopia (blue)

#370004#34181a

ORIG

SIM

Monochrome (color blind)

#370004#161616

Mixing guide

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

MIXING PALETTE

78%

21%

RYB PIGMENTS

Ivory black

Pigment

78%

Cadmium red

Pigment

21%

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)

0.8%

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.

English Breakfast

#441111

What We Do in the Shadows

#441122

Chocolate Kiss

#3C1421

Bruised Plum

#3B1921

Deep Teal

#003733

Brown Pod

#371700

Toledo

#37001F

Deep Fir

#043700

Stratos

#000437

County Green

#003718

Buccaneer

#6E3236

Diesel

#180000