Color

#413989

#413989
hex#413989
rgbrgb(65, 57, 137)
hslhsl(246, 41%, 38%)
oklchoklch(0.399 0.129 283.4)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0586

Colors that go with #413989

Steel Blue, Blue and Crimson 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 →

#818939

#395989 · #693989

#894139 · #398941

Split-complementary

Open in tool →

#896939 · #598939

#893959 · #818939 · #398969

Contrast

#413989 as textRatioAAAA largeAAAFix
Aaon white
9.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #746cc1 as the text (4.66:1)
  • AAA: use #9690d0 as the text (7.2:1)
  • 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 #413989 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

#413989 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #413989
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 #413989 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/413989-a59cc4-dfa74e-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