#646F87 Color

#646F87 is rgb(100, 111, 135) in RGB and hsl(221, 15%, 46%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#646F87

HEX#646F87

RGBrgb(100, 111, 135)

HSLhsl(221, 15%, 46%)

HSVhsv(221, 26%, 53%)

OKLCHoklch(54.1% 0.04 265.7)

CMYKcmyk(26%, 18%, 0%, 47%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646F87 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.04:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.17:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646F87 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646F87 Complementary#877C64 Analogous#648087 Analogous#6A6487 Triadic#87646F Triadic#6F8764

Tints & Shades

Lighter tints and darker shades of #646F87, useful for hover states, backgrounds, and text variants.

Tints

#758199 #8D96AA #A1A9BA #B9BECB #CDD1DA #E5E7EB

Shades

#576075 #4A5264 #3D4352 #303541 #23272F #16181D

Use #646F87 in Our Tools

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