#123B39 Color
#123B39 is rgb(18, 59, 57) in RGB and hsl(177, 53%, 15%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#123B39
HEX
#123B39RGB
rgb(18, 59, 57)HSL
hsl(177, 53%, 15%)HSV
hsv(177, 69%, 23%)OKLCH
oklch(32.3% 0.045 190.7)CMYK
cmyk(69%, 0%, 3%, 77%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #123B39 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text12.28:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.71:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #123B39 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #123B39, useful for hover states, backgrounds, and text variants.