Color

#4c6c8a

#4c6c8a
hex#4c6c8a
rgbrgb(76, 108, 138)
hslhsl(209, 29%, 42%)
oklchoklch(0.519 0.06 247.5)
Closest name: Calypso (#3d7188)Relative luminance 0.141

Colors that go with #4c6c8a

Charcoal, Sienna and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8a6a4c

#4c8a89 · #4c4d8a

#8a4c6c · #6c8a4c

Split-complementary

Open in tool →

#8a4c4d · #8a894c

#894c8a · #8a6a4c · #4d8a4c

Contrast

#4c6c8a as textRatioAAAA largeAAAFix
Aaon white
5.5:1passpassfail
  • AAA: use #3f5a73 as the text (7.19:1)
Aaon black
3.82:1failpassfail
  • AA: use #55799b as the text (4.59:1)
  • AAA: use #7b9ab7 as the text (7.15:1)
  • AA: or shift the background to #ebebeb (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c6c8a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #4c6c8a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4c6c8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c6c8a-9cacc4-df4e4e-1f212d-e9f1f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md