#538BD0 Color
#538BD0 is rgb(83, 139, 208) in RGB and hsl(213, 57%, 57%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.
#538BD0
HEX
#538BD0RGB
rgb(83, 139, 208)HSL
hsl(213, 57%, 57%)HSV
hsv(213, 60%, 82%)OKLCH
oklch(62.9% 0.12 254.5)CMYK
cmyk(60%, 33%, 0%, 18%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #538BD0 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text3.52:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.97:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #538BD0 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #538BD0, useful for hover states, backgrounds, and text variants.