Color

#43588e

#43588e
hex#43588e
rgbrgb(67, 88, 142)
hslhsl(223, 36%, 41%)
oklchoklch(0.469 0.092 266.8)
Closest name: Dusk (#4e5481)Relative luminance 0.1013

Colors that go with #43588e

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.

Real palettes that use #43588e

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8e7943

#437e8e · #53438e

#8e4358 · #588e43

Split-complementary

Open in tool →

#8e5343 · #7e8e43

#8e437e · #8e7943 · #438e53

Contrast

#43588e as textRatioAAAA largeAAAFix
Aaon white
6.94:1passpassfail
  • AAA: use #41568b as the text (7.17:1)
Aaon black
3.03:1failpassfail
  • AA: use #5c74b2 as the text (4.6:1)
  • AAA: use #8295c4 as the text (7.05:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43588e 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

#43588e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43588e
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 #43588e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43588e-9ca3c4-df704e-211f2d-e9eff1?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