#646C78 Color

#646C78 is rgb(100, 108, 120) in RGB and hsl(216, 9%, 43%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#646C78

HEX#646C78

RGBrgb(100, 108, 120)

HSLhsl(216, 9%, 43%)

HSVhsv(216, 17%, 47%)

OKLCHoklch(52.9% 0.021 258.4)

CMYKcmyk(17%, 10%, 0%, 53%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646C78 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.31:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.96:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646C78 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646C78 Complementary#787064 Analogous#647678 Analogous#666478 Triadic#78646C Triadic#6C7864

Tints & Shades

Lighter tints and darker shades of #646C78, useful for hover states, backgrounds, and text variants.

Tints

#77808D #8D95A0 #A3A9B2 #B7BCC3 #CDD0D5 #E3E5E8

Shades

#565D67 #4A5059 #3C4148 #31353A #23262A #17191C

Use #646C78 in Our Tools

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