#288BCC Color

#288BCC is rgb(40, 139, 204) in RGB and hsl(204, 67%, 48%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#288BCC

HEX#288BCC

RGBrgb(40, 139, 204)

HSLhsl(204, 67%, 48%)

HSVhsv(204, 80%, 80%)

OKLCHoklch(61.2% 0.132 243)

CMYKcmyk(80%, 32%, 0%, 20%)

Text Contrast & Accessibility

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

TextWhite text3.71:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.66:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

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

Base#288BCC Complementary#CC6A28 Analogous#28CCBC Analogous#2839CC Triadic#CC288B Triadic#8BCC28

Tints & Shades

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

Tints

#3F9CD9 #5DABDF #7BBBE5 #9DCCEC #BBDCF2 #D9EBF7

Shades

#2379B3 #1D6595 #18547B #134362 #0E3148 #081D2B

Use #288BCC in Our Tools

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