Color

#4440b5

#4440b5
hex#4440b5
rgbrgb(68, 64, 181)
hslhsl(242, 48%, 48%)
oklchoklch(0.45 0.179 277.9)
Closest name: Blurple (#5539cc)Relative luminance 0.0823

Colors that go with #4440b5

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 #4440b5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b1b540

#4076b5 · #7e40b5

#b54440 · #40b544

Split-complementary

Open in tool →

#b57e40 · #76b540

#b54076 · #b1b540 · #40b57e

Contrast

#4440b5 as textRatioAAAA largeAAAFix
Aaon white
7.94:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #6f6ccb as the text (4.68:1)
  • AAA: use #908ed7 as the text (7.04:1)
  • AA: or shift the background to #c4c4c4 (4.55:1)
  • AAA: or shift the background to #f2f2f2 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4440b5 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

#4440b5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4440b5
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 #4440b5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4440b5-a29cc4-df9e4e-261f2d-e9edf1?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