Color

#427480

#427480
hex#427480
rgbrgb(66, 116, 128)
hslhsl(192, 32%, 38%)
oklchoklch(0.529 0.057 214.9)
Closest name: Calypso (#3d7188)Relative luminance 0.1521

Colors that go with #427480

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 →

#804e42

#42806d · #425480

#804274 · #748042

Split-complementary

Open in tool →

#804254 · #806d42

#6d4280 · #804e42 · #548042

Contrast

#427480 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #365e68 as the text (7.1:1)
Aaon black
4.04:1failpassfail
  • AA: use #477d8a as the text (4.57:1)
  • AAA: use #619eae as the text (7.01:1)
  • AA: or shift the background to #f0f0f0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #427480 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 #427480
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 #427480 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/427480-a2b5be-df4e77-1f242d-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