#218CD4
Blue
HEX
RGB
HSL
About #218CD4 Blue
#218CD4 is a blue color. In the RGB color model, it is composed of 33 red, 140 green, and 212 blue. In the HSL color space, it has a hue of 204°, saturation of 73%, and lightness of 48%.
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 #218CD4 in your CSS, SCSS, or Tailwind projects.
Color Properties
204°
Hue
73%
Saturation
48%
Lightness
Blue
Color Harmonies
Colors that work well with #218CD4 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #218CD4 against white and black backgrounds.
Aa#218CD4 on White
Contrast Ratio3.64:1
AA ✗AA Large ✓AAA ✗
Aa#218CD4 on Black
Contrast Ratio5.77:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #218CD4 across different color formats.
| Format | Value |
|---|---|
| HEX | #218CD4 |
| RGB | rgb(33, 140, 212) |
| HSL | hsl(204, 73%, 48%) |
| RGB Decimal | 33, 140, 212 |
| RGB Percent | 12.9%, 54.9%, 83.1% |
| CMYK (approx.) | 84%, 34%, 0%, 17% |
Related Palettes
12 palettes using #218CD4 or similar colors