#0399B0 Color
#0399B0 is rgb(3, 153, 176) in RGB and hsl(188, 97%, 35%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.
#0399B0
HEX
#0399B0RGB
rgb(3, 153, 176)HSL
hsl(188, 97%, 35%)HSV
hsv(188, 98%, 69%)OKLCH
oklch(62.8% 0.11 213.3)CMYK
cmyk(98%, 13%, 0%, 31%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #0399B0 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text3.39:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text6.19:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #0399B0 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #0399B0, useful for hover states, backgrounds, and text variants.