#288DB8 Color

#288DB8 is rgb(40, 141, 184) in RGB and hsl(198, 64%, 44%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#288DB8

HEX#288DB8

RGBrgb(40, 141, 184)

HSLhsl(198, 64%, 44%)

HSVhsv(198, 78%, 72%)

OKLCHoklch(60.6% 0.11 231.5)

CMYKcmyk(78%, 23%, 0%, 28%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #288DB8 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.76:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.59:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #288DB8 based on color wheel relationships. Click any swatch for its full breakdown.

Base#288DB8 Complementary#B85328 Analogous#28B89B Analogous#2845B8 Triadic#B8288D Triadic#8DB828

Tints & Shades

Lighter tints and darker shades of #288DB8, useful for hover states, backgrounds, and text variants.

Tints

#36A4D3 #54B1D9 #75C0E1 #96D0E8 #B8DFEF #D5ECF6

Shades

#237A9F #1E6A8A #195671 #134358 #0E303F #09202A

Use #288DB8 in Our Tools

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