Color

#407c91

#407c91
hex#407c91
rgbrgb(64, 124, 145)
hslhsl(196, 39%, 41%)
oklchoklch(0.555 0.07 223.2)
Closest name: Cry Me a River (#427898)Relative luminance 0.1755

Colors that go with #407c91

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 →

#915640

#40917e · #405391

#91407c · #7c9140

Split-complementary

Open in tool →

#914053 · #917e40

#7e4091 · #915640 · #539140

Contrast

#407c91 as textRatioAAAA largeAAAFix
Aaon white
4.66:1passpassfail
  • AAA: use #305d6e as the text (7.2:1)
Aaon black
4.51:1passpassfail
  • AAA: use #5c9fb7 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #407c91 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#407c91 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #407c91
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 #407c91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407c91-9cb5c4-df4e6e-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