Color

#436aa8

#436aa8
hex#436aa8
rgbrgb(67, 106, 168)
hslhsl(217, 43%, 46%)
oklchoklch(0.525 0.108 259.3)
Closest name: Campanula (#3473b7)Relative luminance 0.1433

Colors that go with #436aa8

Charcoal, Sea Green and Sienna 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 →

#a88143

#439ca8 · #4f43a8

#a8436a · #6aa843

Split-complementary

Open in tool →

#a84f43 · #9ca843

#a8439c · #a88143 · #43a84f

Contrast

#436aa8 as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #39598e as the text (7.02:1)
Aaon black
3.87:1failpassfail
  • AA: use #4c76b8 as the text (4.59:1)
  • AAA: use #7897c9 as the text (7.07:1)
  • AA: or shift the background to #ebebeb (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 #436aa8 as the background.

Brands using this color

Fonts for this mood

#436aa8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #436aa8
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 #436aa8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/436aa8-9ca7c4-df624e-201f2d-e9f0f1?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