#399DDB Color
#399DDB is rgb(57, 157, 219) in RGB and hsl(203, 69%, 54%) in HSL. The closest CSS named color is DodgerBlue. Black text is most readable on this background.
#399DDB
HEX
#399DDBRGB
rgb(57, 157, 219)HSL
hsl(203, 69%, 54%)HSV
hsv(203, 74%, 86%)OKLCH
oklch(66.6% 0.129 240.3)CMYK
cmyk(74%, 28%, 0%, 14%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #399DDB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.99:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.02:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #399DDB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #399DDB, useful for hover states, backgrounds, and text variants.