#57B5EF Color
#57B5EF is rgb(87, 181, 239) in RGB and hsl(203, 83%, 64%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.
#57B5EF
HEX
#57B5EFRGB
rgb(87, 181, 239)HSL
hsl(203, 83%, 64%)HSV
hsv(203, 64%, 94%)OKLCH
oklch(74% 0.122 238.6)CMYK
cmyk(64%, 24%, 0%, 6%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #57B5EF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.27:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.26:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #57B5EF based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #57B5EF, useful for hover states, backgrounds, and text variants.