#400057 Color
#400057 is rgb(64, 0, 87) in RGB and hsl(284, 100%, 17%) in HSL. The closest CSS named color is Indigo. White text is most readable on this background.
#400057
HEX
#400057RGB
rgb(64, 0, 87)HSL
hsl(284, 100%, 17%)HSV
hsv(284, 100%, 34%)OKLCH
oklch(28% 0.139 313.7)CMYK
cmyk(26%, 100%, 0%, 66%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #400057 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text15.49:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.36:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #400057 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #400057, useful for hover states, backgrounds, and text variants.