Color

#4c10fe

#4c10fe
hex#4c10fe
rgbrgb(76, 16, 254)
hslhsl(255, 99%, 53%)
oklchoklch(0.486 0.293 277.1)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0906

Colors that go with #4c10fe

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 →

#c2fe10

#104cfe · #c210fe

#fe4c10 · #10fe4c

Split-complementary

Open in tool →

#fec210 · #4cfe10

#fe104c · #c2fe10 · #10fec2

Contrast

#4c10fe as textRatioAAAA largeAAAFix
Aaon white
7.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #7d52fe as the text (4.51:1)
  • AAA: use #a080fe as the text (7.01:1)
  • AA: or shift the background to #c9c9c9 (4.51:1)
  • AAA: or shift the background to #fafafa (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c10fe 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

#4c10fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c10fe
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 #4c10fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c10fe-ab9cc4-dfbd4e-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