#278D9B
Cyan
HEX
RGB
HSL
About #278D9B Cyan
#278D9B is a cyan color. In the RGB color model, it is composed of 39 red, 141 green, and 155 blue. In the HSL color space, it has a hue of 187°, saturation of 60%, and lightness of 38%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #278D9B in your CSS, SCSS, or Tailwind projects.
Color Properties
187°
Hue
60%
Saturation
38%
Lightness
Cyan
Color Harmonies
Colors that work well with #278D9B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #278D9B against white and black backgrounds.
Aa#278D9B on White
Contrast Ratio3.91:1
AA ✗AA Large ✓AAA ✗
Aa#278D9B on Black
Contrast Ratio5.37:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #278D9B across different color formats.
| Format | Value |
|---|---|
| HEX | #278D9B |
| RGB | rgb(39, 141, 155) |
| HSL | hsl(187, 60%, 38%) |
| RGB Decimal | 39, 141, 155 |
| RGB Percent | 15.3%, 55.3%, 60.8% |
| CMYK (approx.) | 75%, 9%, 0%, 39% |
Related Palettes
12 palettes using #278D9B or similar colors