#303B88
Blue
HEX
RGB
HSL
About #303B88 Blue
#303B88 is a blue color. In the RGB color model, it is composed of 48 red, 59 green, and 136 blue. In the HSL color space, it has a hue of 233°, saturation of 48%, and lightness of 36%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #303B88 in your CSS, SCSS, or Tailwind projects.
Color Properties
233°
Hue
48%
Saturation
36%
Lightness
Blue
Color Harmonies
Colors that work well with #303B88 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #303B88 against white and black backgrounds.
Aa#303B88 on White
Contrast Ratio9.97:1
AA ✓AA Large ✓AAA ✓
Aa#303B88 on Black
Contrast Ratio2.11:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #303B88 across different color formats.
| Format | Value |
|---|---|
| HEX | #303B88 |
| RGB | rgb(48, 59, 136) |
| HSL | hsl(233, 48%, 36%) |
| RGB Decimal | 48, 59, 136 |
| RGB Percent | 18.8%, 23.1%, 53.3% |
| CMYK (approx.) | 65%, 57%, 0%, 47% |
Related Palettes
12 palettes using #303B88 or similar colors