#258BB4
Blue
HEX
RGB
HSL
About #258BB4 Blue
#258BB4 is a blue color. In the RGB color model, it is composed of 37 red, 139 green, and 180 blue. In the HSL color space, it has a hue of 197°, 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 #258BB4 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
197°
Hue
66%
Saturation
43%
Lightness
Blue
Color Harmonies
Colors that work well with #258BB4 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #258BB4 against white and black backgrounds.
Aa#258BB4 on White
Contrast Ratio3.87:1
AA ✗AA Large ✓AAA ✗
Aa#258BB4 on Black
Contrast Ratio5.43:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #258BB4 across different color formats.
| Format | Value |
|---|---|
| HEX | #258BB4 |
| RGB | rgb(37, 139, 180) |
| HSL | hsl(197, 66%, 43%) |
| RGB Decimal | 37, 139, 180 |
| RGB Percent | 14.5%, 54.5%, 70.6% |
| CMYK (approx.) | 79%, 23%, 0%, 29% |
Related Palettes
12 palettes using #258BB4 or similar colors