Color

#4c12fd

#4c12fd
hex#4c12fd
rgbrgb(76, 18, 253)
hslhsl(255, 98%, 53%)
oklchoklch(0.485 0.292 277.2)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0906

Colors that go with #4c12fd

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 →

#c2fd12

#124cfd · #c212fd

#fd4c12 · #12fd4c

Split-complementary

Open in tool →

#fdc212 · #4cfd12

#fd124c · #c2fd12 · #12fdc2

Contrast

#4c12fd as textRatioAAAA largeAAAFix
Aaon white
7.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #7e53fd as the text (4.54:1)
  • AAA: use #a081fe as the text (7.07:1)
  • 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 #4c12fd 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

#4c12fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c12fd
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 #4c12fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c12fd-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