#638C80 Color

#638C80 is rgb(99, 140, 128) in RGB and hsl(162, 17%, 47%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.

#638C80

HEX#638C80

RGBrgb(99, 140, 128)

HSLhsl(162, 17%, 47%)

HSVhsv(162, 29%, 55%)

OKLCHoklch(60.6% 0.049 174.5)

CMYKcmyk(29%, 0%, 9%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #638C80 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.75:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.59:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #638C80 based on color wheel relationships. Click any swatch for its full breakdown.

Base#638C80 Complementary#8C6370 Analogous#638C6C Analogous#63848C Triadic#80638C Triadic#8C8063

Tints & Shades

Lighter tints and darker shades of #638C80, useful for hover states, backgrounds, and text variants.

Tints

#769E92 #8EAFA5 #A3BDB5 #B7CCC6 #CCDBD7 #E4ECEA

Shades

#577A70 #4A685F #3D574F #2F423C #22302C #151E1B

Use #638C80 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex