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Convert Hex to RGB, RGB to Hex, HSL, RGBA, HSLA instantly with our free online color converter. Features color picker, hex to decimal converter, alpha channel support, live preview, and one-click copy. Best color code converter for web developers and designers. No signup required.
Current color with 100% opacity
Hex
#2563eb
RGB
rgb(37, 99, 235)
RGBA
rgba(37, 99, 235, 1)
HSL
hsl(217, 83%, 53%)
HSLA
hsla(217, 83%, 53%, 1)
CSS Variable
--color-primary: #2563eb;
Select your input format from Hex, RGB, or HSL tabs
Enter your color values (hex code, RGB 0-255, or HSL values)
Try quick sample colors or use the built-in color picker for visual selection
Adjust alpha/opacity slider for RGBA/HSLA transparency (0-1 range)
View real-time color preview with current opacity settings
Copy any format instantly - Hex, RGB, RGBA, HSL, HSLA, or CSS variables
Export colors in your preferred format for use in CSS, design tools, or code
Web Development: Convert design colors to CSS-ready formats for styling
UI/UX Design: Match colors across different design tools and platforms
Brand Guidelines: Convert brand colors to all required formats for consistency
CSS Theming: Create color schemes with RGBA for overlays and transparency
Accessibility Testing: Adjust lightness using HSL for contrast ratio testing
Design Handoff: Provide developers with exact color values in multiple formats
Color Exploration: Use HSL to adjust hue while maintaining saturation levels
Documentation: Include multiple color formats for cross-platform compatibility
The Color Converter is a comprehensive tool supporting all major color formats used in web development and design. Understanding different color formats is essential for working with colors across various platforms and applications.
Hexadecimal colors use 6 characters after # to represent RGB values. Each pair (00-FF) represents Red, Green, and Blue intensity. Example: #FF5733 = Red(255) Green(87) Blue(51)
RGB uses decimal values 0-255 for each color channel. Format: rgb(r, g, b). Widely used in CSS, design tools, and programming. Example: rgb(255, 87, 51)
RGBA adds opacity/transparency channel (0-1) to RGB. Format: rgba(r, g, b, a). Alpha 0 = fully transparent, 1 = fully opaque. Example: rgba(255, 87, 51, 0.5)
HSL represents colors using Hue (0-360°), Saturation (0-100%), and Lightness (0-100%). More intuitive for color adjustments. Format: hsl(h, s%, l%). Example: hsl(217, 83%, 53%)
HSLA adds opacity channel to HSL. Format: hsla(h, s%, l%, a). Combines intuitive HSL with transparency control. Example: hsla(217, 83%, 53%, 0.8)
Custom properties for reusable colors in CSS. Format: --color-name: value. Makes theming and color management easier. Example: --color-primary: #2563eb;
Find exact hex codes and RGB values for all major colors. Our color converter provides instant conversions for hex to color, color to hex, RGB to hex, and hex to RGB transformations.
Hex for black: #000000 | RGB for black: rgb(0, 0, 0) | Hex for white: #FFFFFF | RGB for white: rgb(255, 255, 255) | White hex code: #FFF (shorthand) | RGB value for white: all channels at 255.
Hex for red: #FF0000 | RGB for red: rgb(255, 0, 0) | Hex for blue: #0000FF | RGB for blue: rgb(0, 0, 255) | Hex for green: #00FF00 | RGB for green: rgb(0, 255, 0) | Hex for yellow: #FFFF00 | RGB for yellow: rgb(255, 255, 0)
Hex for orange: #FFA500 | RGB for orange: rgb(255, 165, 0) | Hex for pink: #FFC0CB | RGB pink: rgb(255, 192, 203) | Hex for purple: #800080 | RGB purple: rgb(128, 0, 128) | Hex for brown: #A52A2A | RGB for brown: rgb(165, 42, 42)
Hex for grey: #808080 | RGB for grey: rgb(128, 128, 128) | Hex for silver: #C0C0C0 | RGB for silver: rgb(192, 192, 192) | Hex for gold: #FFD700 | RGB of gold: rgb(255, 215, 0) | Gold hex code: golden yellow color
Understanding the difference between RGB and CMYK is crucial for designers working across digital and print media.
RGB vs CMYK: RGB (additive color for screens) vs CMYK (subtractive color for print). RGB combines light to make colors brighter; CMYK mixes ink making colors darker.
When to use RGB: Websites, apps, digital displays, photography, all screen-based media.
When to use CMYK: Print materials, business cards, brochures, magazines, physical marketing.
Conversion: RGB must be converted to CMYK for print. Some RGB colors can't be accurately reproduced in CMYK due to gamut limitations.
How many colors: There are 16,777,216 possible hex/RGB colors (256 × 256 × 256). Each of the three channels (R, G, B) can have 256 values (00-FF in hex, 0-255 in decimal).
RGB color model history: RGB theory was formalized in the 1860s based on Young-Helmholtz trichromatic theory. Modern digital RGB became widespread in the 1980s-1990s with personal computers.
Why RGB not RYB: RGB is used for light-emitting displays. RYB (Red-Yellow-Blue) is for paint/pigments. Human eyes have receptors for red, green, and blue light.
Hex code format: Hex codes are compact (6 characters for 16.7M colors), easy to read, and work perfectly in HTML/CSS. Each hex digit represents 4 binary bits.
Use HSL format when you need to adjust colors programmatically - it's much easier to create color variations by adjusting the lightness or saturation values while keeping the hue constant. This is perfect for creating color themes and palettes.