#1B3F50 Color
#1B3F50 is rgb(27, 63, 80) in RGB and hsl(199, 50%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#1B3F50
HEX
#1B3F50RGB
rgb(27, 63, 80)HSL
hsl(199, 50%, 21%)HSV
hsv(199, 66%, 31%)OKLCH
oklch(34.9% 0.051 231.2)CMYK
cmyk(66%, 21%, 0%, 69%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1B3F50 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.21:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.87:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1B3F50 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1B3F50, useful for hover states, backgrounds, and text variants.