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RGB to HSL Converter
RGB to HSL for easy theming — hue, saturation, lightness.
- Runs on your device
- Hue survives on greys
- Also OKLCH, LAB and CMYK
Drop a stylesheet or token file
CSS, SCSS, SASS, LESS, JSON, SVG or TXT — up to 10.0 MB
#FF4D4D
Nearest colour name: tomato (Same family, distance 6.4)
rgb(255 77 77)hsl(0 100% 65.1%)- HEX
#FF4D4D - RGB
rgb(255 77 77) - HSL
hsl(0 100% 65.1%) - HWB
hwb(0 30.2% 0%) - HSV
hsv(0 69.8% 100%)Not CSS - CMYK
cmyk(0% 69.8% 69.8% 0%)Not CSS - LAB
lab(59.906 67.771 41.299) - LCH
lch(59.906 79.363 31.36) - OKLAB
oklab(0.673 0.19441 0.09082) - OKLCH
oklch(0.673 0.21457 25.04) - Display P3
color(display-p3 0.9239 0.3574 0.3319) - XYZ D65
color(xyz-d65 0.45232 0.27107 0.09872)
Contrast
- AA normalFail
- AA largePass
- AAA normalFail
- AAA largeFail
- AA normalPass
- AA largePass
- AAA normalFail
- AAA largePass
- AA normalFail
- AA largePass
- AAA normalFail
- AAA largeFail
Nearest passing shade — #E22D35 clears 4.51:1 against your comparison colour.
Colour vision
How this colour appears to people with each kind of colour-vision deficiency.
- Typical vision
- Protanopia
- Deuteranopia
- Tritanopia
- No colour vision
Any CSS colour syntax, plus cmyk() and hsv().
Values you type here stay put, even when the colour has no hue to show them on.
How to convert RGB to HSL
Enter RGB values
Set Red, Green, and Blue (0–255 each) using sliders or inputs.
View HSL result
Hue (0–360°), Saturation (0–100%), and Lightness (0–100%) update automatically.
Copy or use
Copy the HSL values for CSS, design tools, or further editing.
Why Convert RGB to HSL?
Converting RGB to HSL enables intuitive color manipulation, easier brightness and saturation adjustments, better color selection, and improved design workflow.
Benefits of HSL Format
- Intuitive Selection: More intuitive color representation
- Easy Adjustment: Simple to adjust brightness and saturation
- Design Tools: Commonly used in design applications
- Color Manipulation: Easier to create color variations
- Visual Understanding: Better understanding of color relationships
RGB vs HSL: Understanding the Difference
Understanding the differences between RGB and HSL helps you choose the right format for your needs.
RGB Format Characteristics
- Red, Green, Blue component values
- Each component ranges from 0 to 255
- More precise color control
- Standard format for digital design
- Compatible with all design tools
HSL Format Characteristics
- Hue, Saturation, Lightness color model
- Intuitive color representation
- Easy to adjust brightness and saturation
- Commonly used in design tools
- More intuitive for color selection
Why HSL lightness is not what your eye sees
HSL is the easiest colour model to reason about and the least reliable one to build a palette from. The reason is worth knowing before you commit a theme to it.
- 50% lightness is not one brightness — hsl(60 100% 50%) is a vivid yellow and hsl(240 100% 50%) is a dark blue. Same number, wildly different apparent brightness, so a ramp built on it is uneven.
- Lightening drifts the hue — Raise the lightness of a blue in HSL and it wanders toward purple. OKLCH was designed to fix exactly this, and this page shows both so you can compare.
- Grey has no hue at all — At 0% saturation the hue is undefined, not zero. This page keeps the hue you typed instead of snapping it back, so you can set a hue first and add saturation after.
- Saturation behaves differently near the ends — As lightness approaches 0% or 100% every saturation converges on black or white, which is why small edits there appear to do nothing.
When to Convert RGB to HSL
Convert RGB to HSL when you need intuitive color manipulation, easier adjustments, or better color selection in design work.
Ideal Use Cases
- Design Work: Use HSL for easier color manipulation
- Color Variations: Create color variations more easily
- Brightness Adjustment: Adjust brightness intuitively
- Saturation Control: Control saturation more easily
- Design Tools: Use HSL in design applications
RGB to HSL Conversion Facts
Understanding these facts helps you make informed conversion decisions.
Key Statistics
- HSL uses hue (0-360), saturation (0-100%), and lightness (0-100%)
- RGB uses red, green, and blue values (0-255 each)
- Conversion maintains color accuracy
- HSL is more intuitive for color selection
- RGB is more precise for color manipulation
Best Practices
Follow these guidelines for optimal RGB to HSL conversion results.
Quality Considerations
- Verify RGB values before conversion
- Use valid RGB ranges (0-255 for each component)
- Check HSL values for accuracy
- Test colors in your target application
- Consider color space and gamut limitations
When Not to Convert
- Don't convert if RGB format works for your use case
- Keep RGB for applications requiring RGB specifically
- Avoid conversion if format compatibility isn't needed
- Don't convert for applications that don't support HSL
Limitations and compatibility
Conversion runs on your device; requires JavaScript and a modern browser.
Powered by optimised image processing algorithms.
The other colour converters
Frequently asked questions
How does the RGB to HSL converter work?
Enter Red, Green, and Blue (0-255) with sliders or inputs, and the tool converts them to Hue (0-360 degrees), Saturation (0-100%), and Lightness (0-100%). A live preview updates instantly, and you can copy the HSL values for CSS or design tools.
What is HSL and why use it?
HSL describes color by Hue (the color itself on a 360-degree wheel), Saturation (how vivid it is), and Lightness (how bright). It maps to how people think about color, making it easier to adjust tone or build theme variations than editing raw RGB numbers.
Is RGB to HSL conversion lossless?
Yes. HSL and RGB describe the same color in different coordinates, so the conversion is reversible with no loss of information. Convert to HSL, tweak the values, and you can return to RGB or HEX without degrading the color.
What ranges do the HSL values use?
Hue runs from 0 to 360 degrees around the color wheel, while Saturation and Lightness are percentages from 0 to 100. The converter displays results in exactly these ranges, matching the hsl() syntax used in CSS.
How do I adjust colors using HSL?
Change Hue to shift to a different color, raise or lower Saturation to make it more vivid or muted, and adjust Lightness to lighten or darken. This makes HSL ideal for generating tints, shades, and consistent UI color scales.
Is the tool free, private, and available offline?
Yes. The converter is completely free, and every calculation runs locally on your device, so your colors are never uploaded. It works on mobile and desktop and keeps functioning after the page loads.
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