#283B58 Color
#283B58 is rgb(40, 59, 88) in RGB and hsl(216, 38%, 25%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#283B58
HEX
#283B58RGB
rgb(40, 59, 88)HSL
hsl(216, 38%, 25%)HSV
hsv(216, 55%, 35%)OKLCH
oklch(35% 0.057 258.6)CMYK
cmyk(55%, 33%, 0%, 65%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #283B58 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.31:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.86:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #283B58 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #283B58, useful for hover states, backgrounds, and text variants.