Color

#4c7585

#4c7585
hex#4c7585
rgbrgb(76, 117, 133)
hslhsl(197, 27%, 41%)
oklchoklch(0.538 0.052 224.6)
Closest name: Calypso (#3d7188)Relative luminance 0.1595

Colors that go with #4c7585

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.

Real palettes that use #4c7585

Tints & shades

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

Harmonies

Complementary

Open in tool →

#855c4c

#4c8579 · #4c5985

#854c75 · #75854c

Split-complementary

Open in tool →

#854c59 · #85794c

#794c85 · #855c4c · #59854c

Contrast

#4c7585 as textRatioAAAA largeAAAFix
Aaon white
5.01:1passpassfail
  • AAA: use #3c5b68 as the text (7.27:1)
Aaon black
4.19:1failpassfail
  • AA: use #527d8e as the text (4.68:1)
  • AAA: use #719cad as the text (7.06:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c7585 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 #4c7585
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 #4c7585 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c7585-9cb4c4-df4e6b-1f232d-e9f1ef?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