#42A5EB Color
#42A5EB is rgb(66, 165, 235) in RGB and hsl(205, 81%, 59%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.
#42A5EB
HEX
#42A5EBRGB
rgb(66, 165, 235)HSL
hsl(205, 81%, 59%)HSV
hsv(205, 72%, 92%)OKLCH
oklch(69.5% 0.138 243.3)CMYK
cmyk(72%, 30%, 0%, 8%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #42A5EB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.69:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.81:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #42A5EB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #42A5EB, useful for hover states, backgrounds, and text variants.