#155B8D
Blue
HEX
RGB
HSL
About #155B8D Blue
#155B8D is a blue color. In the RGB color model, it is composed of 21 red, 91 green, and 141 blue. In the HSL color space, it has a hue of 205°, saturation of 74%, and lightness of 32%.
This color has a low lightness value, making it a dark color great for text and bold accents. With high saturation, it appears vibrant and eye-catching.
CSS Code & Gradients
Use #155B8D in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
205°
Hue
74%
Saturation
32%
Lightness
Blue
Color Harmonies
Colors that work well with #155B8D based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #155B8D against white and black backgrounds.
Aa#155B8D on White
Contrast Ratio7.21:1
AA ✓AA Large ✓AAA ✓
Aa#155B8D on Black
Contrast Ratio2.91:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #155B8D across different color formats.
| Format | Value |
|---|---|
| HEX | #155B8D |
| RGB | rgb(21, 91, 141) |
| HSL | hsl(205, 74%, 32%) |
| RGB Decimal | 21, 91, 141 |
| RGB Percent | 8.2%, 35.7%, 55.3% |
| CMYK (approx.) | 85%, 35%, 0%, 45% |
Related Palettes
12 palettes using #155B8D or similar colors