#123F3A Color
#123F3A is rgb(18, 63, 58) in RGB and hsl(173, 56%, 16%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#123F3A
HEX
#123F3ARGB
rgb(18, 63, 58)HSL
hsl(173, 56%, 16%)HSV
hsv(173, 71%, 25%)OKLCH
oklch(33.6% 0.049 184.9)CMYK
cmyk(71%, 0%, 8%, 75%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #123F3A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.68:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.8:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #123F3A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #123F3A, useful for hover states, backgrounds, and text variants.