#283F58 Color
#283F58 is rgb(40, 63, 88) in RGB and hsl(211, 38%, 25%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#283F58
HEX
#283F58RGB
rgb(40, 63, 88)HSL
hsl(211, 38%, 25%)HSV
hsv(211, 55%, 35%)OKLCH
oklch(36.1% 0.052 251.4)CMYK
cmyk(55%, 28%, 0%, 65%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #283F58 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text10.81:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.94:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #283F58 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #283F58, useful for hover states, backgrounds, and text variants.