#1B57B1
Blue
HEX
RGB
HSL
About #1B57B1 Blue
#1B57B1 is a blue color. In the RGB color model, it is composed of 27 red, 87 green, and 177 blue. In the HSL color space, it has a hue of 216°, saturation of 74%, and lightness of 40%.
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 #1B57B1 in your CSS, SCSS, or Tailwind projects.
Color Properties
216°
Hue
74%
Saturation
40%
Lightness
Blue
Color Harmonies
Colors that work well with #1B57B1 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B57B1 against white and black backgrounds.
Aa#1B57B1 on White
Contrast Ratio6.9:1
AA ✓AA Large ✓AAA ✗
Aa#1B57B1 on Black
Contrast Ratio3.04:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #1B57B1 across different color formats.
| Format | Value |
|---|---|
| HEX | #1B57B1 |
| RGB | rgb(27, 87, 177) |
| HSL | hsl(216, 74%, 40%) |
| RGB Decimal | 27, 87, 177 |
| RGB Percent | 10.6%, 34.1%, 69.4% |
| CMYK (approx.) | 85%, 51%, 0%, 31% |
Related Palettes
12 palettes using #1B57B1 or similar colors