Color

#4100c2

#4100c2
hex#4100c2
rgbrgb(65, 0, 194)
hslhsl(260, 100%, 38%)
oklchoklch(0.4 0.24 280.9)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0502

Colors that go with #4100c2

Charcoal, Denim and Cobalt 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 →

#81c200

#0020c2 · #a100c2

#c24100 · #00c241

Split-complementary

Open in tool →

#c2a200 · #20c200

#c20020 · #81c200 · #00c2a2

Contrast

#4100c2 as textRatioAAAA largeAAAFix
Aaon white
10.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #884dff as the text (4.55:1)
  • AAA: use #aa80ff as the text (7.24:1)
  • AA: or shift the background to #ababab (4.56:1)
  • AAA: or shift the background to #d4d4d4 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4100c2 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

#4100c2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4100c2
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 #4100c2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4100c2-ae9cc4-dfc94e-2a1f2d-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