#258D8A Color
#258D8A is rgb(37, 141, 138) in RGB and hsl(178, 58%, 35%) in HSL. The closest CSS named color is DarkCyan. Black text is most readable on this background.
#258D8A
HEX
#258D8ARGB
rgb(37, 141, 138)HSL
hsl(178, 58%, 35%)HSV
hsv(178, 74%, 55%)OKLCH
oklch(58.6% 0.091 192.1)CMYK
cmyk(74%, 0%, 2%, 45%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #258D8A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.26:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #258D8A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #258D8A, useful for hover states, backgrounds, and text variants.