#646d8d

Lynch

Closest match (92% match)

Color formats

RGB

rgb(100, 109, 141)

Red, Green, Blue components

HSL

hsl(227, 17%, 47%)

Hue, Saturation, Lightness

CMYK

cmyk(29, 23, 0, 45)

Print color encoding

Luminance

0.156

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#646d8d

#8d8464

Analogous (Adjacent)

#64828d

#646d8d

#70648d

Triadic

#646d8d

#8d646d

#6d8d64

Split complementary

#646d8d

#8d7064

#818d64

Complete conversion table

HEX

#646D8D

RGB

rgb(100,109,141)

RGBA

rgba(100,109,141, 1)

HSL

hsl(226.83,17.01%,47.25%)

OKLCH (Modern CSS)

oklch(0.54 0.05 272.4)

CSS Variable

--color: #646d8d;

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

5.10

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.11

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#646d8d#7b7b8d

ORIG

SIM

Deuteranopia (green)

#646d8d#72708d

ORIG

SIM

Tritanopia (blue)

#646d8d#645e69

ORIG

SIM

Monochrome (color blind)

#646d8d#6e6e6e

Mixing guide

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

MIXING PALETTE

70%

25%

RYB PIGMENTS

Ultramarine blue

Pigment

70%

Ivory black

Pigment

25%

Cadmium yellow

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

Blue hue

450–495 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Cool

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

15.6%

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.

Dark Prince

#6B6C89

Misty Harbor

#65769A

Heron

#6A6887

Stormy Horizon

#777799

Clay Creek

#8D8464

Rum

#70648D

Slate Gray

#64818D

Copper Rose

#8D646D

Highland

#6D8D64

Cement

#8D7064

Rock Blue

#9CA5C7

Pickled Bluewood

#303A57