#1B5B6F Color
#1B5B6F is rgb(27, 91, 111) in RGB and hsl(194, 61%, 27%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#1B5B6F
HEX
#1B5B6FRGB
rgb(27, 91, 111)HSL
hsl(194, 61%, 27%)HSV
hsv(194, 76%, 44%)OKLCH
oklch(44.1% 0.071 222.9)CMYK
cmyk(76%, 18%, 0%, 56%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1B5B6F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.57:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.77:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1B5B6F based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1B5B6F, useful for hover states, backgrounds, and text variants.