#646A90 Color

#646A90 is rgb(100, 106, 144) in RGB and hsl(232, 18%, 48%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#646A90

HEX#646A90

RGBrgb(100, 106, 144)

HSLhsl(232, 18%, 48%)

HSVhsv(232, 31%, 56%)

OKLCHoklch(53.4% 0.06 277.2)

CMYKcmyk(31%, 26%, 0%, 44%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646A90 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.24:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.01:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646A90 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646A90 Complementary#908B64 Analogous#648090 Analogous#756490 Triadic#90646A Triadic#6A9064

Tints & Shades

Lighter tints and darker shades of #646A90, useful for hover states, backgrounds, and text variants.

Tints

#787DA1 #8D91B0 #A2A6BE #BABDCF #CFD1DE #E4E5EC

Shades

#585D7E #494D69 #3D4057 #303345 #242633 #15161E

Use #646A90 in Our Tools

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