Color

#4100e6

#4100e6
hex#4100e6
rgbrgb(65, 0, 230)
hslhsl(257, 100%, 45%)
oklchoklch(0.444 0.276 276.4)
Closest name: Overdue Blue (#4400ff)Relative luminance 0.0684

Colors that go with #4100e6

Charcoal, Cobalt Blue and Cornflower 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 →

#a4e600

#0032e6 · #b400e6

#e64100 · #00e641

Split-complementary

Open in tool →

#e6b400 · #32e600

#e60032 · #a4e600 · #00e6b4

Contrast

#4100e6 as textRatioAAAA largeAAAFix
Aaon white
8.87:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #8352ff as the text (4.62:1)
  • AAA: use #a480ff as the text (7.11:1)
  • AA: or shift the background to #bababa (4.57:1)
  • AAA: or shift the background to #e6e6e6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4100e6 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

#4100e6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4100e6
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 #4100e6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4100e6-ac9cc4-dfc24e-291f2d-e9ebf1?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