ChromaLab
Color StudioHEX, RGB, HSL, CMYK converter & palette explorer
Dark mode
#6366F1
Indigo
Color Models & Formats
Editable live inputs
HEX
RGB
HSL
CMYK
HSV
Channel Adjustments
Red (R)
99
Green (G)
102
Blue (B)
241
CSS Export Formats
WCAG Accessibility Contrast Checker
Evaluates readability against standard pure white and deep black backgrounds
On White
4.2:1
Sample Text
AA Large
AAA Fail
On Black
5.0:1
Sample Text
AA Pass
AAA Pass
WCAG 2.1 requires a minimum contrast ratio of 4.5:1 for normal body text and 3:1 for large text.
Color Harmony Palettes
Click any swatch in the generated harmonies to instantly select and copy its hex code
Complementary (Opposite Hue)
Analogous (Adjacent Hues)
Triadic (Equilateral 120° Spacing)
Monochromatic Tints & Shades
Color copied to clipboard!