Color

#43788e

#43788e
hex#43788e
rgbrgb(67, 120, 142)
hslhsl(198, 36%, 41%)
oklchoklch(0.545 0.066 226.9)
Closest name: Harbour Blue (#417491)Relative luminance 0.1658

Colors that go with #43788e

Charcoal, Rust 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 →

#8e5943

#438e7f · #43528e

#8e4378 · #788e43

Split-complementary

Open in tool →

#8e4352 · #8e7f43

#7f438e · #8e5943 · #528e43

Contrast

#43788e as textRatioAAAA largeAAAFix
Aaon white
4.87:1passpassfail
  • AAA: use #345d6f as the text (7.14:1)
Aaon black
4.32:1failpassfail
  • AA: use #457b92 as the text (4.5:1)
  • AAA: use #639db6 as the text (7.03:1)
  • AA: or shift the background to #f7f7f7 (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 #43788e 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

#43788e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43788e
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 #43788e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43788e-9cb3c4-df4e69-1f232d-e9f1f0?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