#288B9A Color
#288B9A is rgb(40, 139, 154) in RGB and hsl(188, 59%, 38%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.
#288B9A
HEX
#288B9ARGB
rgb(40, 139, 154)HSL
hsl(188, 59%, 38%)HSV
hsv(188, 74%, 60%)OKLCH
oklch(58.8% 0.09 209.8)CMYK
cmyk(74%, 10%, 0%, 40%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #288B9A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.25:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #288B9A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #288B9A, useful for hover states, backgrounds, and text variants.