#288F9F Color

#288F9F is rgb(40, 143, 159) in RGB and hsl(188, 60%, 39%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#288F9F

HEX#288F9F

RGBrgb(40, 143, 159)

HSLhsl(188, 60%, 39%)

HSVhsv(188, 75%, 62%)

OKLCHoklch(60% 0.093 210.2)

CMYKcmyk(75%, 10%, 0%, 38%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #288F9F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.8:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.52:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #288F9F based on color wheel relationships. Click any swatch for its full breakdown.

Base#288F9F Complementary#9F3828 Analogous#289F73 Analogous#28549F Triadic#9F288F Triadic#8F9F28

Tints & Shades

Lighter tints and darker shades of #288F9F, useful for hover states, backgrounds, and text variants.

Tints

#30ADC0 #4BC0D2 #6CCCDA #91D8E3 #B1E4EC #D6F1F5

Shades

#237D8B #1E6A76 #185862 #13464E #0E3339 #092125

Use #288F9F in Our Tools

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