#638C7F Color

#638C7F is rgb(99, 140, 127) in RGB and hsl(161, 17%, 47%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.

#638C7F

HEX#638C7F

RGBrgb(99, 140, 127)

HSLhsl(161, 17%, 47%)

HSVhsv(161, 29%, 55%)

OKLCHoklch(60.6% 0.05 172.9)

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

Text Contrast & Accessibility

WCAG contrast ratios for text on a #638C7F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.76:1AA normal ✗AA large ✓AAA normal ✗

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

Color Harmonies

Colors that pair well with #638C7F based on color wheel relationships. Click any swatch for its full breakdown.

Base#638C7F Complementary#8C6370 Analogous#638C6B Analogous#63858C Triadic#7F638C Triadic#8C7F63

Tints & Shades

Lighter tints and darker shades of #638C7F, useful for hover states, backgrounds, and text variants.

Tints

#769E91 #8EAFA4 #A3BDB5 #B7CCC6 #CCDBD6 #E4ECE9

Shades

#577A6F #4A685F #3D574F #2F423C #22302B #151E1B

Use #638C7F in Our Tools

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