#155C66 Color
#155C66 is rgb(21, 92, 102) in RGB and hsl(187, 66%, 24%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#155C66
HEX
#155C66RGB
rgb(21, 92, 102)HSL
hsl(187, 66%, 24%)HSV
hsv(187, 79%, 40%)OKLCH
oklch(43.8% 0.068 209)CMYK
cmyk(79%, 10%, 0%, 60%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #155C66 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.62:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.75:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #155C66 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #155C66, useful for hover states, backgrounds, and text variants.