#288BD2 Color

#288BD2 is rgb(40, 139, 210) in RGB and hsl(205, 68%, 49%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#288BD2

HEX#288BD2

RGBrgb(40, 139, 210)

HSLhsl(205, 68%, 49%)

HSVhsv(205, 81%, 82%)

OKLCHoklch(61.5% 0.139 245.2)

CMYKcmyk(81%, 34%, 0%, 18%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #288BD2 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.68:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.71:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #288BD2 based on color wheel relationships. Click any swatch for its full breakdown.

Base#288BD2 Complementary#D26F28 Analogous#28D2C4 Analogous#2836D2 Triadic#D2288B Triadic#8BD228

Tints & Shades

Lighter tints and darker shades of #288BD2, useful for hover states, backgrounds, and text variants.

Tints

#439CDB #60ABE1 #7EBBE7 #9CCBEC #BADBF2 #D8EBF8

Shades

#237AB8 #1D669A #185581 #134163 #0E3049 #081C2B

Use #288BD2 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex