#183E4E Color
#183E4E is rgb(24, 62, 78) in RGB and hsl(198, 53%, 20%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#183E4E
HEX
#183E4ERGB
rgb(24, 62, 78)HSL
hsl(198, 53%, 20%)HSV
hsv(198, 69%, 31%)OKLCH
oklch(34.4% 0.051 228.6)CMYK
cmyk(69%, 21%, 0%, 69%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #183E4E background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.43:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.84:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #183E4E based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #183E4E, useful for hover states, backgrounds, and text variants.