Which color formats are supported?

HEX, RGB, HSL, OKLCH, and HWB, converted live in both directions.

Is the Color Converter free?

Yes. It is free and open source, with no login.

Does it check accessibility?

Yes. The built-in WCAG contrast checker verifies whether a color pair meets AA and AAA thresholds.

Is my input sent to a server?

No. All conversions run locally in your browser.

Can it generate a palette?

Yes. It builds complementary, analogous, triadic, and shade palettes from your base color.

Color Converter

Convert colors between formats with contrast checking

Help

Color input

Supported formats

Contrast checker

Foreground

Background

Sample text

21.00:1WCAG AAA

AAA

Pass

AA large

Pass

No colour yet

Enter a colour in any format to see every conversion, its contrast and a matching palette.

About this tool

The Color Converter transforms colors between HEX, RGB, HSL, OKLCH, and HWB with a live preview. It includes a WCAG contrast checker for accessibility and a palette generator with complementary, analogous, triadic, and shade harmonies. All conversions use pure math with no dependencies.

How to use it

Enter a color. Type a value in any format, or use the native color picker.
Read every format. See the equivalent HEX, RGB, HSL, OKLCH, and HWB values.
Check contrast. Use the WCAG checker to verify accessible text and background pairs.
Copy what you need. Copy any format, or generate a matching palette.

Frequently asked questions

Which color formats are supported?: HEX, RGB, HSL, OKLCH, and HWB, converted live in both directions.
Is the Color Converter free?: Yes. It is free and open source, with no login.
Does it check accessibility?: Yes. The built-in WCAG contrast checker verifies whether a color pair meets AA and AAA thresholds.
Is my input sent to a server?: No. All conversions run locally in your browser.
Can it generate a palette?: Yes. It builds complementary, analogous, triadic, and shade palettes from your base color.

Color Converter

Convert colors between formats with contrast checking

Help

Color input

Supported formats

Contrast checker

Foreground

Background

Sample text

21.00:1WCAG AAA

AAA

Pass

AA large

Pass

No colour yet

Enter a colour in any format to see every conversion, its contrast and a matching palette.

About this tool

How to use it

Enter a color. Type a value in any format, or use the native color picker.
Read every format. See the equivalent HEX, RGB, HSL, OKLCH, and HWB values.
Check contrast. Use the WCAG checker to verify accessible text and background pairs.
Copy what you need. Copy any format, or generate a matching palette.

Frequently asked questions

Which color formats are supported?: HEX, RGB, HSL, OKLCH, and HWB, converted live in both directions.
Is the Color Converter free?: Yes. It is free and open source, with no login.
Does it check accessibility?: Yes. The built-in WCAG contrast checker verifies whether a color pair meets AA and AAA thresholds.
Is my input sent to a server?: No. All conversions run locally in your browser.
Can it generate a palette?: Yes. It builds complementary, analogous, triadic, and shade palettes from your base color.