#2A57CB
Blue
HEX
RGB
HSL
About #2A57CB Blue
#2A57CB is a blue color. In the RGB color model, it is composed of 42 red, 87 green, and 203 blue. In the HSL color space, it has a hue of 223°, saturation of 66%, and lightness of 48%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #2A57CB in your CSS, SCSS, or Tailwind projects.
Color Properties
223°
Hue
66%
Saturation
48%
Lightness
Blue
Color Harmonies
Colors that work well with #2A57CB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #2A57CB against white and black backgrounds.
Aa#2A57CB on White
Contrast Ratio6.32:1
AA ✓AA Large ✓AAA ✗
Aa#2A57CB on Black
Contrast Ratio3.32:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #2A57CB across different color formats.
| Format | Value |
|---|---|
| HEX | #2A57CB |
| RGB | rgb(42, 87, 203) |
| HSL | hsl(223, 66%, 48%) |
| RGB Decimal | 42, 87, 203 |
| RGB Percent | 16.5%, 34.1%, 79.6% |
| CMYK (approx.) | 79%, 57%, 0%, 20% |
Related Palettes
12 palettes using #2A57CB or similar colors