#123F63 Color
#123F63 is rgb(18, 63, 99) in RGB and hsl(207, 69%, 23%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#123F63
HEX
#123F63RGB
rgb(18, 63, 99)HSL
hsl(207, 69%, 23%)HSV
hsv(207, 82%, 39%)OKLCH
oklch(35.7% 0.079 246.9)CMYK
cmyk(82%, 36%, 0%, 61%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #123F63 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text10.96:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.92:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #123F63 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #123F63, useful for hover states, backgrounds, and text variants.