#288DA4 Color

#288DA4 is rgb(40, 141, 164) in RGB and hsl(191, 61%, 40%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#288DA4

HEX#288DA4

RGBrgb(40, 141, 164)

HSLhsl(191, 61%, 40%)

HSVhsv(191, 76%, 64%)

OKLCHoklch(59.7% 0.095 216.7)

CMYKcmyk(76%, 14%, 0%, 36%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #288DA4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.86:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.44:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #288DA4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#288DA4 Complementary#A43F28 Analogous#28A47D Analogous#284FA4 Triadic#A4288D Triadic#8DA428

Tints & Shades

Lighter tints and darker shades of #288DA4, useful for hover states, backgrounds, and text variants.

Tints

#30AAC5 #4EBCD4 #6FC8DC #90D5E4 #B1E1EC #D6EFF5

Shades

#237C90 #1E6A7B #195867 #13434E #0E3139 #092025

Use #288DA4 in Our Tools

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