#399AEF Color

#399AEF is rgb(57, 154, 239) in RGB and hsl(208, 85%, 58%) in HSL. The closest CSS named color is DodgerBlue. Black text is most readable on this background.

#399AEF

HEX#399AEF

RGBrgb(57, 154, 239)

HSLhsl(208, 85%, 58%)

HSVhsv(208, 76%, 94%)

OKLCHoklch(67% 0.155 248.9)

CMYKcmyk(76%, 36%, 0%, 6%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #399AEF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.98:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.04:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #399AEF based on color wheel relationships. Click any swatch for its full breakdown.

Base#399AEF Complementary#EF8E39 Analogous#39EFE9 Analogous#393FEF Triadic#EF399A Triadic#9AEF39

Tints & Shades

Lighter tints and darker shades of #399AEF, useful for hover states, backgrounds, and text variants.

Tints

#55A8F1 #6DB4F3 #89C3F5 #A5D1F8 #C2E0FA #D9ECFC

Shades

#1387EC #1074CB #0D5EA5 #0A497F #07335A #052039

Use #399AEF in Our Tools

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