#155B51
Dark Cyan
HEX
RGB
HSL
About #155B51 Dark Cyan
#155B51 is a dark cyan color. In the RGB color model, it is composed of 21 red, 91 green, and 81 blue. In the HSL color space, it has a hue of 171°, saturation of 63%, and lightness of 22%.
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 #155B51 in your CSS, SCSS, or Tailwind projects.
Color Properties
171°
Hue
63%
Saturation
22%
Lightness
Dark Cyan
Color Harmonies
Colors that work well with #155B51 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #155B51 against white and black backgrounds.
Aa#155B51 on White
Contrast Ratio7.93:1
AA ✓AA Large ✓AAA ✓
Aa#155B51 on Black
Contrast Ratio2.65:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #155B51 across different color formats.
| Format | Value |
|---|---|
| HEX | #155B51 |
| RGB | rgb(21, 91, 81) |
| HSL | hsl(171, 63%, 22%) |
| RGB Decimal | 21, 91, 81 |
| RGB Percent | 8.2%, 35.7%, 31.8% |
| CMYK (approx.) | 77%, 0%, 11%, 64% |
Related Palettes
12 palettes using #155B51 or similar colors