#183A4E Color
#183A4E is rgb(24, 58, 78) in RGB and hsl(202, 53%, 20%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#183A4E
HEX
#183A4ERGB
rgb(24, 58, 78)HSL
hsl(202, 53%, 20%)HSV
hsv(202, 69%, 31%)OKLCH
oklch(33.3% 0.053 237.1)CMYK
cmyk(69%, 26%, 0%, 69%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #183A4E background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.97:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.75:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #183A4E based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #183A4E, useful for hover states, backgrounds, and text variants.