#639BCF
Blue
HEX
RGB
HSL
About #639BCF Blue
#639BCF is a blue color. In the RGB color model, it is composed of 99 red, 155 green, and 207 blue. In the HSL color space, it has a hue of 209°, saturation of 53%, and lightness of 60%.
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
Use #639BCF in your CSS, SCSS, or Tailwind projects.
Color Properties
209°
Hue
53%
Saturation
60%
Lightness
Blue
Color Harmonies
Colors that work well with #639BCF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #639BCF against white and black backgrounds.
Aa#639BCF on White
Contrast Ratio2.95:1
AA ✗AA Large ✗AAA ✗
Aa#639BCF on Black
Contrast Ratio7.12:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #639BCF across different color formats.
| Format | Value |
|---|---|
| HEX | #639BCF |
| RGB | rgb(99, 155, 207) |
| HSL | hsl(209, 53%, 60%) |
| RGB Decimal | 99, 155, 207 |
| RGB Percent | 38.8%, 60.8%, 81.2% |
| CMYK (approx.) | 52%, 25%, 0%, 19% |
Related Palettes
12 palettes using #639BCF or similar colors