#155B66
Dark Cyan
HEX
RGB
HSL
About #155B66 Dark Cyan
#155B66 is a dark cyan color. In the RGB color model, it is composed of 21 red, 91 green, and 102 blue. In the HSL color space, it has a hue of 188°, saturation of 66%, and lightness of 24%.
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 #155B66 in your CSS, SCSS, or Tailwind projects.
Color Properties
188°
Hue
66%
Saturation
24%
Lightness
Dark Cyan
Color Harmonies
Colors that work well with #155B66 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #155B66 against white and black backgrounds.
Aa#155B66 on White
Contrast Ratio7.72:1
AA ✓AA Large ✓AAA ✓
Aa#155B66 on Black
Contrast Ratio2.72:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #155B66 across different color formats.
| Format | Value |
|---|---|
| HEX | #155B66 |
| RGB | rgb(21, 91, 102) |
| HSL | hsl(188, 66%, 24%) |
| RGB Decimal | 21, 91, 102 |
| RGB Percent | 8.2%, 35.7%, 40.0% |
| CMYK (approx.) | 79%, 11%, 0%, 60% |
Related Palettes
12 palettes using #155B66 or similar colors