Color

#440b89

#440b89
hex#440b89
rgbrgb(68, 11, 137)
hslhsl(267, 85%, 29%)
oklchoklch(0.343 0.179 294.5)
Closest name: Indigo Static (#4b0183)Relative luminance 0.0327

Colors that go with #440b89

Royal Blue, Crimson 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 →

#50890b

#0b1189 · #830b89

#89440b · #0b8944

Split-complementary

Open in tool →

#89830b · #11890b

#890b11 · #50890b · #0b8983

Contrast

#440b89 as textRatioAAAA largeAAAFix
Aaon white
12.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #964cf0 as the text (4.59:1)
  • AAA: use #b27bf4 as the text (7.03:1)
  • AA: or shift the background to #9c9c9c (4.62:1)
  • AAA: or shift the background to #c2c2c2 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #440b89 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

#440b89 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #440b89
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 #440b89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/440b89-b39cc4-dfda4e-2c1f2d-e9eaf1?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