Color

#43489d

#43489d
hex#43489d
rgbrgb(67, 72, 157)
hslhsl(237, 40%, 44%)
oklchoklch(0.445 0.136 276.8)
Closest name: Blueberry (#464196)Relative luminance 0.0826

Colors that go with #43489d

Charcoal, Sea Green and Steel Blue 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 →

#9d9943

#43759d · #6c439d

#9d4348 · #489d43

Split-complementary

Open in tool →

#9d6c43 · #759d43

#9d4375 · #9d9943 · #439d6c

Contrast

#43489d as textRatioAAAA largeAAAFix
Aaon white
7.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #696dbf as the text (4.54:1)
  • AAA: use #8d90ce as the text (7.01:1)
  • AA: or shift the background to #c4c4c4 (4.54:1)
  • AAA: or shift the background to #f2f2f2 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43489d 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

#43489d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43489d
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 #43489d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43489d-9f9cc4-df924e-251f2d-e9edf1?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