#646B90 Color

#646B90 is rgb(100, 107, 144) in RGB and hsl(230, 18%, 48%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#646B90

HEX#646B90

RGBrgb(100, 107, 144)

HSLhsl(230, 18%, 48%)

HSVhsv(230, 31%, 56%)

OKLCHoklch(53.6% 0.059 275.9)

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

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646B90 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.19:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.05:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646B90 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646B90 Complementary#908964 Analogous#648290 Analogous#736490 Triadic#90646C Triadic#6C9064

Tints & Shades

Lighter tints and darker shades of #646B90, useful for hover states, backgrounds, and text variants.

Tints

#787EA1 #8D92B0 #A2A6BE #BABDCF #CFD1DE #E4E5EC

Shades

#585E7E #494F69 #3D4157 #303445 #242633 #15161E

Use #646B90 in Our Tools

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