Slate Grey (646773) — Shades, Harmonies, Palettes, CSS Code

"Slate Grey"

Neutral · Timeless

🧠 Psychology

Neutral and timeless color. Evokes elegance, sobriety and minimalism.

✨ Uses

UI design, backgrounds, typography, professional interfaces.

Tip

Slate Grey pairs ideally with #F7F5F0 (off-white) and a neutral background for a modern, readable result.

Values

HEX #646773

RGB rgb(100, 103, 115)

HSL hsl(228°, 7%, 42%)

CMYK C:13% M:10% Y:0% K:55%

Luminance 0.137

WCAG Accessibility

On white 5.63:1

Aa — #646773

Secondary text

✓ AA ✗ AAA ✓ AA Large

On black 3.73:1

Aa — #646773

Secondary text

✗ AA ✗ AAA ✓ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#646773 #737064

Analogous

#646E73 #646773 #686473

Triadic

#646773 #736467 #677364

Split-comp.

#646773 #736864 #6E7364

Tetradic

#646773 #73646E #737064 #647368

Monochromatic

#D1D1D1 #9E9E9E #6B6B6B #525252 #2B2B2B

Suggested palettes for this hue.

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