#303F55 Color
#303F55 is rgb(48, 63, 85) in RGB and hsl(216, 28%, 26%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#303F55
HEX
#303F55RGB
rgb(48, 63, 85)HSL
hsl(216, 28%, 26%)HSV
hsv(216, 44%, 33%)OKLCH
oklch(36.4% 0.043 257.8)CMYK
cmyk(44%, 26%, 0%, 67%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #303F55 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text10.67:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.97:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #303F55 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #303F55, useful for hover states, backgrounds, and text variants.