#645F9B Color

#645F9B is rgb(100, 95, 155) in RGB and hsl(245, 24%, 49%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#645F9B

HEX#645F9B

RGBrgb(100, 95, 155)

HSLhsl(245, 24%, 49%)

HSVhsv(245, 39%, 61%)

OKLCHoklch(51.6% 0.094 286.4)

CMYKcmyk(35%, 39%, 0%, 39%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #645F9B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.75:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.65:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #645F9B based on color wheel relationships. Click any swatch for its full breakdown.

Base#645F9B Complementary#969B5F Analogous#5F789B Analogous#825F9B Triadic#9B645F Triadic#5F9B64

Tints & Shades

Lighter tints and darker shades of #645F9B, useful for hover states, backgrounds, and text variants.

Tints

#7874AA #8E8AB7 #A3A0C5 #B9B6D2 #CECCE0 #E3E3EE

Shades

#585388 #494672 #3D3A5F #2F2D49 #232136 #141320

Use #645F9B in Our Tools

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