#1B4555 Color
#1B4555 is rgb(27, 69, 85) in RGB and hsl(197, 52%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#1B4555
HEX
#1B4555RGB
rgb(27, 69, 85)HSL
hsl(197, 52%, 22%)HSV
hsv(197, 68%, 33%)OKLCH
oklch(36.8% 0.054 226.2)CMYK
cmyk(68%, 19%, 0%, 67%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1B4555 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text10.35:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.03:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1B4555 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1B4555, useful for hover states, backgrounds, and text variants.