#646C90 Color

#646C90 is rgb(100, 108, 144) in RGB and hsl(229, 18%, 48%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#646C90

HEX#646C90

RGBrgb(100, 108, 144)

HSLhsl(229, 18%, 48%)

HSVhsv(229, 31%, 56%)

OKLCHoklch(53.9% 0.057 274.6)

CMYKcmyk(31%, 25%, 0%, 44%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646C90 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.13:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.09:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646C90 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646C90 Complementary#908864 Analogous#648290 Analogous#726490 Triadic#90646C Triadic#6C9064

Tints & Shades

Lighter tints and darker shades of #646C90, useful for hover states, backgrounds, and text variants.

Tints

#787FA1 #8D93B0 #A2A7BE #BABECF #CFD2DE #E4E5EC

Shades

#585F7E #494F69 #3D4257 #303445 #242633 #15171E

Use #646C90 in Our Tools

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