#3357A3 Color
#3357A3 is rgb(51, 87, 163) in RGB and hsl(221, 52%, 42%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#3357A3
HEX
#3357A3RGB
rgb(51, 87, 163)HSL
hsl(221, 52%, 42%)HSV
hsv(221, 69%, 64%)OKLCH
oklch(47.1% 0.13 263.2)CMYK
cmyk(69%, 47%, 0%, 36%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3357A3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text6.92:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text3.03:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #3357A3 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3357A3, useful for hover states, backgrounds, and text variants.