#646B78 Color

#646B78 is rgb(100, 107, 120) in RGB and hsl(219, 9%, 43%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#646B78

HEX#646B78

RGBrgb(100, 107, 120)

HSLhsl(219, 9%, 43%)

HSVhsv(219, 17%, 47%)

OKLCHoklch(52.6% 0.022 262.9)

CMYKcmyk(17%, 11%, 0%, 53%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646B78 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.36:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.92:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646B78 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646B78 Complementary#787164 Analogous#647578 Analogous#676478 Triadic#78646B Triadic#6B7864

Tints & Shades

Lighter tints and darker shades of #646B78, useful for hover states, backgrounds, and text variants.

Tints

#777F8D #8D94A0 #A3A9B2 #B7BBC3 #CDD0D5 #E3E5E8

Shades

#565C67 #4A4F59 #3C4148 #31343A #23252A #17191C

Use #646B78 in Our Tools

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