Color

#43388a

#43388a
hex#43388a
rgbrgb(67, 56, 138)
hslhsl(248, 42%, 38%)
oklchoklch(0.4 0.131 284.9)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0586

Colors that go with #43388a

Charcoal, Steel Blue and 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 →

#7f8a38

#38568a · #6c388a

#8a4338 · #388a43

Split-complementary

Open in tool →

#8a6c38 · #568a38

#8a3856 · #7f8a38 · #388a6c

Contrast

#43388a as textRatioAAAA largeAAAFix
Aaon white
9.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #766bc2 as the text (4.65:1)
  • AAA: use #988fd1 as the text (7.18:1)
  • AA: or shift the background to #b3b3b3 (4.61:1)
  • AAA: or shift the background to #dedede (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43388a 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

#43388a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43388a
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 #43388a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43388a-a69cc4-dfac4e-271f2d-e9ecf1?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