#28399A Color
#28399A is rgb(40, 57, 154) in RGB and hsl(231, 59%, 38%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#28399A
HEX
#28399ARGB
rgb(40, 57, 154)HSL
hsl(231, 59%, 38%)HSV
hsv(231, 74%, 60%)OKLCH
oklch(39.6% 0.159 269.8)CMYK
cmyk(74%, 63%, 0%, 40%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #28399A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text9.8:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.14:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #28399A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #28399A, useful for hover states, backgrounds, and text variants.