#645F91 Color

#645F91 is rgb(100, 95, 145) in RGB and hsl(246, 21%, 47%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#645F91

HEX#645F91

RGBrgb(100, 95, 145)

HSLhsl(246, 21%, 47%)

HSVhsv(246, 34%, 57%)

OKLCHoklch(51.1% 0.078 287.9)

CMYKcmyk(31%, 34%, 0%, 43%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #645F91 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.85:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.59:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #645F91 based on color wheel relationships. Click any swatch for its full breakdown.

Base#645F91 Complementary#8C915F Analogous#5F7391 Analogous#7D5F91 Triadic#91645F Triadic#5F9164

Tints & Shades

Lighter tints and darker shades of #645F91, useful for hover states, backgrounds, and text variants.

Tints

#7671A2 #8E8AB2 #A39FC1 #B8B5CF #CCCBDD #E4E3ED

Shades

#57537F #4A476C #3E3A59 #2F2C44 #222031 #15141F

Use #645F91 in Our Tools

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