#218BC4
Blue
HEX
RGB
HSL
About #218BC4 Blue
#218BC4 is a blue color. In the RGB color model, it is composed of 33 red, 139 green, and 196 blue. In the HSL color space, it has a hue of 201°, saturation of 71%, and lightness of 45%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With high saturation, it appears vibrant and eye-catching.
CSS Code
Use #218BC4 in your CSS, SCSS, or Tailwind projects.
Color Properties
201°
Hue
71%
Saturation
45%
Lightness
Blue
Color Harmonies
Colors that work well with #218BC4 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #218BC4 against white and black backgrounds.
Aa#218BC4 on White
Contrast Ratio3.78:1
AA ✗AA Large ✓AAA ✗
Aa#218BC4 on Black
Contrast Ratio5.55:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #218BC4 across different color formats.
| Format | Value |
|---|---|
| HEX | #218BC4 |
| RGB | rgb(33, 139, 196) |
| HSL | hsl(201, 71%, 45%) |
| RGB Decimal | 33, 139, 196 |
| RGB Percent | 12.9%, 54.5%, 76.9% |
| CMYK (approx.) | 83%, 29%, 0%, 23% |
Related Palettes
12 palettes using #218BC4 or similar colors