Color

#4d7180

#4d7180
hex#4d7180
rgbrgb(77, 113, 128)
hslhsl(198, 25%, 40%)
oklchoklch(0.527 0.047 225.9)
Closest name: Calypso (#3d7188)Relative luminance 0.1495

Colors that go with #4d7180

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 #4d7180

Tints & shades

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

Harmonies

Complementary

Open in tool →

#805c4d

#4d8075 · #4d5780

#804d70 · #70804d

Split-complementary

Open in tool →

#804d57 · #80754d

#754d80 · #805c4d · #57804d

Contrast

#4d7180 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #3f5d69 as the text (7.04:1)
Aaon black
3.99:1failpassfail
  • AA: use #547b8c as the text (4.59:1)
  • AAA: use #769cad as the text (7.13:1)
  • AA: or shift the background to #f0f0f0 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d7180 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 #4d7180
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 #4d7180 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d7180-9cb3c4-df4e69-1f232d-e9f1f0?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