#1B555A Color
#1B555A is rgb(27, 85, 90) in RGB and hsl(185, 54%, 23%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#1B555A
HEX
#1B555ARGB
rgb(27, 85, 90)HSL
hsl(185, 54%, 23%)HSV
hsv(185, 70%, 35%)OKLCH
oklch(41.5% 0.059 203.2)CMYK
cmyk(70%, 6%, 0%, 65%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1B555A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.42:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.49:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1B555A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1B555A, useful for hover states, backgrounds, and text variants.