#553AEE Color
#553AEE is rgb(85, 58, 238) in RGB and hsl(249, 84%, 58%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.
#553AEE
HEX
#553AEERGB
rgb(85, 58, 238)HSL
hsl(249, 84%, 58%)HSV
hsv(249, 76%, 93%)OKLCH
oklch(50.8% 0.251 279.4)CMYK
cmyk(64%, 76%, 0%, 7%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #553AEE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text6.51:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text3.23:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #553AEE based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #553AEE, useful for hover states, backgrounds, and text variants.