#0A3F42 Color
#0A3F42 is rgb(10, 63, 66) in RGB and hsl(183, 74%, 15%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#0A3F42
HEX
#0A3F42RGB
rgb(10, 63, 66)HSL
hsl(183, 74%, 15%)HSV
hsv(183, 85%, 26%)OKLCH
oklch(33.7% 0.052 200.7)CMYK
cmyk(85%, 5%, 0%, 74%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #0A3F42 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.65:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.8:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #0A3F42 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #0A3F42, useful for hover states, backgrounds, and text variants.