#257BB4
Blue
HEX
RGB
HSL
About #257BB4 Blue
#257BB4 is a blue color. In the RGB color model, it is composed of 37 red, 123 green, and 180 blue. In the HSL color space, it has a hue of 204°, saturation of 66%, and lightness of 43%.
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 & Gradients
Use #257BB4 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
204°
Hue
66%
Saturation
43%
Lightness
Blue
Color Harmonies
Colors that work well with #257BB4 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #257BB4 against white and black backgrounds.
Aa#257BB4 on White
Contrast Ratio4.59:1
AA ✓AA Large ✓AAA ✗
Aa#257BB4 on Black
Contrast Ratio4.57:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #257BB4 across different color formats.
| Format | Value |
|---|---|
| HEX | #257BB4 |
| RGB | rgb(37, 123, 180) |
| HSL | hsl(204, 66%, 43%) |
| RGB Decimal | 37, 123, 180 |
| RGB Percent | 14.5%, 48.2%, 70.6% |
| CMYK (approx.) | 79%, 32%, 0%, 29% |
Related Palettes
12 palettes using #257BB4 or similar colors