Color

#4c8490

#4c8490
hex#4c8490
rgbrgb(76, 132, 144)
hslhsl(191, 31%, 43%)
oklchoklch(0.579 0.062 213)
Closest name: Arctic (#648589)Relative luminance 0.2005

Colors that go with #4c8490

Charcoal, Copper 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 →

#90584c

#4c907a · #4c6190

#904c83 · #83904c

Split-complementary

Open in tool →

#904c61 · #907a4c

#7a4c90 · #90584c · #61904c

Contrast

#4c8490 as textRatioAAAA largeAAAFix
Aaon white
4.19:1failpassfail
  • AA: use #487d89 as the text (4.59:1)
  • AAA: use #375f68 as the text (7:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #629fac as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c8490 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 #4c8490
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 #4c8490 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c8490-a2b6be-df4e7a-1f252d-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