#143D57 Color
#143D57 is rgb(20, 61, 87) in RGB and hsl(203, 63%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#143D57
HEX
#143D57RGB
rgb(20, 61, 87)HSL
hsl(203, 63%, 21%)HSV
hsv(203, 77%, 34%)OKLCH
oklch(34.5% 0.064 240.3)CMYK
cmyk(77%, 30%, 0%, 66%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #143D57 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.44:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.83:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #143D57 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #143D57, useful for hover states, backgrounds, and text variants.