#1D81C9
Blue
HEX
RGB
HSL
About #1D81C9 Blue
#1D81C9 is a blue color. In the RGB color model, it is composed of 29 red, 129 green, and 201 blue. In the HSL color space, it has a hue of 205°, saturation of 75%, 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 #1D81C9 in your CSS, SCSS, or Tailwind projects.
Color Properties
205°
Hue
75%
Saturation
45%
Lightness
Blue
Color Harmonies
Colors that work well with #1D81C9 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1D81C9 against white and black backgrounds.
Aa#1D81C9 on White
Contrast Ratio4.17:1
AA ✗AA Large ✓AAA ✗
Aa#1D81C9 on Black
Contrast Ratio5.04:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #1D81C9 across different color formats.
| Format | Value |
|---|---|
| HEX | #1D81C9 |
| RGB | rgb(29, 129, 201) |
| HSL | hsl(205, 75%, 45%) |
| RGB Decimal | 29, 129, 201 |
| RGB Percent | 11.4%, 50.6%, 78.8% |
| CMYK (approx.) | 86%, 36%, 0%, 21% |
Related Palettes
12 palettes using #1D81C9 or similar colors