#690004

Lonestar

Closest match (99% match)

Color formats

RGB

rgb(105, 0, 4)

Red, Green, Blue components

HSL

hsl(358, 100%, 21%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 100, 96, 59)

Print color encoding

Luminance

0.030

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#690004

#006965

Analogous (Adjacent)

#690039

#690004

#693000

Triadic

#690004

#046900

#000469

Split complementary

#690004

#006931

#003869

Complete conversion table

HEX

#690004

RGB

rgb(105,0,4)

RGBA

rgba(105,0,4, 1)

HSL

hsl(357.71,100%,20.59%)

OKLCH (Modern CSS)

oklch(0.33 0.13 27.7)

CSS Variable

--color: #690004;

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%

1D

1W

1M

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

13.11

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

On black background

1.60

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#690004#020204

ORIG

SIM

Deuteranopia (green)

#690004#434b04

ORIG

SIM

Tritanopia (blue)

#690004#642d31

ORIG

SIM

Monochrome (color blind)

#690004#303030

Mixing guide

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

MIXING PALETTE

59%

40%

1%

RYB PIGMENTS

Ivory black

Pigment

59%

Cadmium red

Pigment

40%

Ultramarine blue

Pigment

1%

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)

3.0%

Dark • relative luminance

0%

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.

Spikey Red

#600000

Vampire Hunter

#610507

Sanguine

#6C110E

Barolo

#71000E

Blue Stone

#006965

Nutmeg Wood Finish

#693100

Tyrian Purple

#690038

Camarone

#046900

Navy Blue

#000469

Fun Green

#006931

Medium Carmine

#A84135

Temptress

#390000


Top tools

WorkspaceLinksySEO AnalyzerChromoQR Code Generator

ReadyTools

CareersContactTools
Pricing7 days free
SupportSecurityGuidesDocsBlogUpdatesLaraVault

Select Language

Set theme

ReadyTools

© 2026 ReadyTools. All rights reserved.