#42588A Color
#42588A is rgb(66, 88, 138) in RGB and hsl(222, 35%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#42588A
HEX
#42588ARGB
rgb(66, 88, 138)HSL
hsl(222, 35%, 40%)HSV
hsv(222, 52%, 54%)OKLCH
oklch(46.6% 0.086 265.2)CMYK
cmyk(52%, 36%, 0%, 46%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #42588A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.01:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.99:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #42588A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #42588A, useful for hover states, backgrounds, and text variants.