#1B3B9D
Blue
HEX
RGB
HSL
About #1B3B9D Blue
#1B3B9D is a blue color. In the RGB color model, it is composed of 27 red, 59 green, and 157 blue. In the HSL color space, it has a hue of 225°, saturation of 71%, and lightness of 36%.
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
Use #1B3B9D in your CSS, SCSS, or Tailwind projects.
Color Properties
225°
Hue
71%
Saturation
36%
Lightness
Blue
Color Harmonies
Colors that work well with #1B3B9D based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B3B9D against white and black backgrounds.
Aa#1B3B9D on White
Contrast Ratio9.73:1
AA ✓AA Large ✓AAA ✓
Aa#1B3B9D on Black
Contrast Ratio2.16:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B3B9D across different color formats.
| Format | Value |
|---|---|
| HEX | #1B3B9D |
| RGB | rgb(27, 59, 157) |
| HSL | hsl(225, 71%, 36%) |
| RGB Decimal | 27, 59, 157 |
| RGB Percent | 10.6%, 23.1%, 61.6% |
| CMYK (approx.) | 83%, 62%, 0%, 38% |
Related Palettes
12 palettes using #1B3B9D or similar colors