#6399BF
Blue
HEX
RGB
HSL
About #6399BF Blue
#6399BF is a blue color. In the RGB color model, it is composed of 99 red, 153 green, and 191 blue. In the HSL color space, it has a hue of 205°, saturation of 42%, and lightness of 57%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With moderate saturation, it appears balanced and versatile.
CSS Code & Gradients
Use #6399BF in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
205°
Hue
42%
Saturation
57%
Lightness
Blue
Color Harmonies
Colors that work well with #6399BF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #6399BF against white and black backgrounds.
Aa#6399BF on White
Contrast Ratio3.07:1
AA ✗AA Large ✓AAA ✗
Aa#6399BF on Black
Contrast Ratio6.84:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #6399BF across different color formats.
| Format | Value |
|---|---|
| HEX | #6399BF |
| RGB | rgb(99, 153, 191) |
| HSL | hsl(205, 42%, 57%) |
| RGB Decimal | 99, 153, 191 |
| RGB Percent | 38.8%, 60.0%, 74.9% |
| CMYK (approx.) | 48%, 20%, 0%, 25% |
Related Palettes
12 palettes using #6399BF or similar colors