NNonkera

Color Converter

Developer Tools

Pick or type a color and instantly see it in HEX, RGB, and HSL formats — computed locally in your browser.

3 or 6-digit hex, with or without #.

HEX

#4f46e5

RGB

rgb(79, 70, 229)

HSL

hsl(243, 75%, 59%)

Why the same color has three different codes

HEX, RGB, and HSL aren't different colors — they're three different ways of describing the exact same color, each suited to a different task. HEX (like #4f46e5) packs red, green, and blue values into a compact six-digit code that's become the default for pasting a color quickly. RGB spells out the same red, green, and blue values as separate numbers from 0–255, which is often easier to reason about or manipulate programmatically. HSL describes a color by hue (its position on a color wheel, 0–360°), saturation (how vivid vs. gray it is), and lightness (how close to black or white it is) — a format that maps much more closely to how people actually think about adjusting a color, like "make it a bit darker" or "a little less saturated."

When to reach for which format

HEX is the most common format for pasting a color value quickly — into CSS, a design tool, or a chat message — because it's short and unambiguous. RGB is useful when you need to do math on individual channels, like blending two colors or checking a specific channel's value. HSL is the most useful format when you're deliberately adjusting a color's character rather than picking a brand-new one — bumping the lightness value up or down to create a hover state or a tint/shade of a brand color is far more intuitive in HSL than fiddling with three separate RGB numbers to achieve the same visual effect.

A note on browser and CSS support

All three formats are natively supported in CSS — you can write color: #4f46e5, color: rgb(79, 70, 229), or color: hsl(243, 75%, 59%) interchangeably and get identical results in any modern browser, so switching formats is purely a matter of which one is easier to work with for the task at hand, not a compatibility concern.

How to use Color Converter

  1. 1Pick a color or type a HEX value.
  2. 2View the equivalent RGB and HSL values.
  3. 3Copy whichever format you need.

Frequently asked questions

Do HEX, RGB, and HSL represent different colors?

No — they're three different ways of writing the exact same color. Converting between them doesn't change the color at all, just how it's described.

Which format should I use in my CSS?

All three work identically in modern CSS — HSL is often easier when you're deliberately adjusting lightness or saturation, while HEX is the most common default for pasting a color value quickly.

Does this tool support transparency (alpha)?

This version converts solid colors. For transparency, CSS supports 8-digit HEX and rgba()/hsla() variants with an added alpha channel, which follow the same underlying conversion math.

Is my color data sent anywhere?

No — all conversion happens locally in your browser using JavaScript.

Can I enter a 3-digit HEX code, like #fff?

Yes — shorthand 3-digit HEX codes are automatically expanded to their full 6-digit equivalent.