Color

#443bb0

#443bb0
hex#443bb0
rgbrgb(68, 59, 176)
hslhsl(245, 50%, 46%)
oklchoklch(0.438 0.179 279.5)
Closest name: Blueberry (#464196)Relative luminance 0.0749

Colors that go with #443bb0

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 #443bb0

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a6b03b

#3b6cb0 · #7f3bb0

#b0443b · #3bb044

Split-complementary

Open in tool →

#b07f3b · #6cb03b

#b03b6c · #a6b03b · #3bb07f

Contrast

#443bb0 as textRatioAAAA largeAAAFix
Aaon white
8.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #726acd as the text (4.66:1)
  • AAA: use #9690da as the text (7.3:1)
  • AA: or shift the background to #bfbfbf (4.57:1)
  • AAA: or shift the background to #ebebeb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #443bb0 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

#443bb0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #443bb0
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 #443bb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/443bb0-a49cc4-dfa54e-261f2d-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