#645A6C Color

#645A6C is rgb(100, 90, 108) in RGB and hsl(273, 9%, 39%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#645A6C

HEX#645A6C

RGBrgb(100, 90, 108)

HSLhsl(273, 9%, 39%)

HSVhsv(273, 17%, 42%)

OKLCHoklch(48.4% 0.031 310.1)

CMYKcmyk(7%, 17%, 0%, 58%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #645A6C background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.52:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.22:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #645A6C based on color wheel relationships. Click any swatch for its full breakdown.

Base#645A6C Complementary#636C5A Analogous#5B5A6C Analogous#6C5A6C Triadic#6C645A Triadic#5A6C64

Tints & Shades

Lighter tints and darker shades of #645A6C, useful for hover states, backgrounds, and text variants.

Tints

#796D83 #908599 #A49BAB #BBB4C0 #CFCAD3 #E6E3E8

Shades

#574F5F #4B4351 #3E3843 #312C35 #242027 #171519

Use #645A6C in Our Tools

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