Does Color Converter upload my input?

No. This tool runs in your browser unless the privacy badge explicitly says a server route is required.

Can I use this for production secrets?

Avoid pasting sensitive production data into any website. Prefer local test data or redacted payloads.

Color Converter - Free Online Color Tool

color converterhex to rgbrgb to hslcontrast checkerPrivacy: Browser local

Color Converter

Convert HEX, RGB, and HSL colors and inspect WCAG AA/AAA contrast diagnostics.

Input / Output

Start with the tool

Input, output, and copy actions stay in this main surface. Examples and reference checks are separated below.

Copy-ready output

Color examples

ForegroundBackground

Preview text for contrast checking.

Contrast ratio

5.17

Foreground

#2563eb

Background

#ffffff

WCAG target

AA 4.5:1 / AAA 7:1

Use 3:1 only for large or bold text.

Color diagnostics

Check AA/AAA thresholds, alpha limitations, and luminance before copying design tokens.

AA normal text

Pass

4.5:1

AA large text

Pass

3:1

AAA normal text

Fail

7:1

AA delta

+0.67

Positive values clear normal text AA.

Luminance gap

0.847

Higher gaps usually read more clearly.

Color review notes

AA passes, but AAA text requires 7:1 contrast.

Foreground

#2563eb

Background

#ffffff

Output

Color values

Copy-ready output

Foreground HEX: #2563eb
Foreground RGB: rgb(37, 99, 235)
Foreground HSL: hsl(221, 83.2%, 53.3%)
Background HEX: #ffffff
Background RGB: rgb(255, 255, 255)
Background HSL: hsl(0, 0.0%, 100.0%)
Contrast ratio: 5.17 (AA normal text)

Local session

Input state is saved only in this browser so you can restore the last workspace without an account.

Review after the result

Open examples, checks, and related tools only after the primary input/output flow is done.

Guides

Examples

Starting points for this utility

#2563eb on #ffffffrgb(24,24,27) on #fafafahsl(220 90% 56%) on hsl(0 0% 100%)

Use cases

Color

Convert color tokens between HEX, RGB, and HSL
Check foreground and background contrast for AA and AAA thresholds

Check the exact foreground and background pair used in the UI.
Verify AA normal text, AA large text, and AAA normal text separately.
Copy the color format that matches the target codebase convention.