#1B3BBB
Blue
HEX
RGB
HSL
About #1B3BBB Blue
#1B3BBB is a blue color. In the RGB color model, it is composed of 27 red, 59 green, and 187 blue. In the HSL color space, it has a hue of 228°, saturation of 75%, and lightness of 42%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With high saturation, it appears vibrant and eye-catching.
CSS Code
Use #1B3BBB in your CSS, SCSS, or Tailwind projects.
Color Properties
228°
Hue
75%
Saturation
42%
Lightness
Blue
Color Harmonies
Colors that work well with #1B3BBB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B3BBB against white and black backgrounds.
Aa#1B3BBB on White
Contrast Ratio8.79:1
AA ✓AA Large ✓AAA ✓
Aa#1B3BBB on Black
Contrast Ratio2.39:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B3BBB across different color formats.
| Format | Value |
|---|---|
| HEX | #1B3BBB |
| RGB | rgb(27, 59, 187) |
| HSL | hsl(228, 75%, 42%) |
| RGB Decimal | 27, 59, 187 |
| RGB Percent | 10.6%, 23.1%, 73.3% |
| CMYK (approx.) | 86%, 68%, 0%, 27% |
Related Palettes
12 palettes using #1B3BBB or similar colors