#288FB8 Color

#288FB8 is rgb(40, 143, 184) in RGB and hsl(197, 64%, 44%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#288FB8

HEX#288FB8

RGBrgb(40, 143, 184)

HSLhsl(197, 64%, 44%)

HSVhsv(197, 78%, 72%)

OKLCHoklch(61.1% 0.109 229.8)

CMYKcmyk(78%, 22%, 0%, 28%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #288FB8 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 #288FB8 based on color wheel relationships. Click any swatch for its full breakdown.

Base#288FB8 Complementary#B85128 Analogous#28B899 Analogous#2848B8 Triadic#B8288F Triadic#8FB828

Tints & Shades

Lighter tints and darker shades of #288FB8, useful for hover states, backgrounds, and text variants.

Tints

#36A7D3 #54B3D9 #75C2E1 #96D1E8 #B8E0EF #D5EDF6

Shades

#237C9F #1E6B8A #195871 #134458 #0E313F #09212A

Use #288FB8 in Our Tools

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