Color

#407bba

#407bba
hex#407bba
rgbrgb(64, 123, 186)
hslhsl(211, 49%, 49%)
oklchoklch(0.572 0.116 251.8)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.188

Colors that go with #407bba

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 →

#ba7f40

#40b8ba · #4240ba

#ba407b · #7bba40

Split-complementary

Open in tool →

#ba4240 · #b8ba40

#ba40b8 · #ba7f40 · #40ba42

Contrast

#407bba as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #3e78b6 as the text (4.6:1)
  • AAA: use #2f5a89 as the text (7.13:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #6b9acc as the text (7.12:1)

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

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

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

tool url/palettes/new/407bba-9cabc4-df534e-1f202d-e9f1f1?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