#0306B0 Color
#0306B0 is rgb(3, 6, 176) in RGB and hsl(239, 97%, 35%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.
#0306B0
HEX
#0306B0RGB
rgb(3, 6, 176)HSL
hsl(239, 97%, 35%)HSV
hsv(239, 98%, 69%)OKLCH
oklch(34.6% 0.234 264.6)CMYK
cmyk(98%, 97%, 0%, 31%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #0306B0 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text12.67:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.66:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #0306B0 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #0306B0, useful for hover states, backgrounds, and text variants.