#283F43 Color
#283F43 is rgb(40, 63, 67) in RGB and hsl(189, 25%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#283F43
HEX
#283F43RGB
rgb(40, 63, 67)HSL
hsl(189, 25%, 21%)HSV
hsv(189, 40%, 26%)OKLCH
oklch(35% 0.029 209.5)CMYK
cmyk(40%, 6%, 0%, 74%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #283F43 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.16:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.88:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #283F43 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #283F43, useful for hover states, backgrounds, and text variants.