#645B80 Color

#645B80 is rgb(100, 91, 128) in RGB and hsl(255, 17%, 43%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#645B80

HEX#645B80

RGBrgb(100, 91, 128)

HSLhsl(255, 17%, 43%)

HSVhsv(255, 29%, 50%)

OKLCHoklch(49.4% 0.059 295.3)

CMYKcmyk(22%, 29%, 0%, 50%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #645B80 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.27:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.35:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #645B80 based on color wheel relationships. Click any swatch for its full breakdown.

Base#645B80 Complementary#77805B Analogous#5B6480 Analogous#775B80 Triadic#80645B Triadic#5B8064

Tints & Shades

Lighter tints and darker shades of #645B80, useful for hover states, backgrounds, and text variants.

Tints

#776D97 #8E85A8 #A49DB9 #B7B1C8 #CDC9D9 #E3E1EA

Shades

#564E6E #4B445F #3D374E #312C3F #23202D #17151E

Use #645B80 in Our Tools

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