Color

#427680

#427680
hex#427680
rgbrgb(66, 118, 128)
hslhsl(190, 32%, 38%)
oklchoklch(0.534 0.058 211.3)
Closest name: Calypso (#3d7188)Relative luminance 0.1567

Colors that go with #427680

Charcoal, Rust 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 →

#804c42

#42806b · #425780

#804276 · #768042

Split-complementary

Open in tool →

#804257 · #806b42

#6b4280 · #804c42 · #578042

Contrast

#427680 as textRatioAAAA largeAAAFix
Aaon white
5.08:1passpassfail
  • AAA: use #345d65 as the text (7.24:1)
Aaon black
4.13:1failpassfail
  • AA: use #477f8a as the text (4.67:1)
  • AAA: use #5d9fac as the text (7.02:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #427680 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 #427680
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 #427680 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/427680-a2b6be-df4e7c-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