#128D9B Color
#128D9B is rgb(18, 141, 155) in RGB and hsl(186, 79%, 34%) in HSL. The closest CSS named color is DarkCyan. Black text is most readable on this background.
#128D9B
HEX
#128D9BRGB
rgb(18, 141, 155)HSL
hsl(186, 79%, 34%)HSV
hsv(186, 88%, 61%)OKLCH
oklch(59% 0.098 207.5)CMYK
cmyk(88%, 9%, 0%, 39%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #128D9B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text3.96:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.31:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #128D9B based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #128D9B, useful for hover states, backgrounds, and text variants.