Slate Grey (556C9E) — Shades, Harmonies, Palettes, CSS Code

"Slate Grey"

Neutral · Winter

🧠 Psychology

Color of trust and stability. Evokes professionalism, security and serenity.

✨ Uses

Finance, banking, enterprise, software, social networks.

Tip

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

Values

HEX #556C9E

RGB rgb(85, 108, 158)

HSL hsl(221°, 30%, 48%)

CMYK C:46% M:32% Y:0% K:38%

Luminance 0.1522

WCAG Accessibility

On white 5.22:1

Aa — #556C9E

Secondary text

✓ AA ✗ AAA ✓ AA Large

On black 4.03:1

Aa — #556C9E

Secondary text

✗ AA ✗ AAA ✓ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#556C9E #9F8856

Analogous

#56929F #556C9E #63569F

Triadic

#556C9E #9F566D #6D9F56

Split-comp.

#556C9E #9F6356 #929F56

Tetradic

#556C9E #9F5692 #9F8856 #569F63

Monochromatic

#DADEE7 #9DA7BE #627193 #4E5A74 #2F3646

Suggested palettes for this hue.

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