Color

#4c0dab

#4c0dab
hex#4c0dab
rgbrgb(76, 13, 171)
hslhsl(264, 86%, 36%)
oklchoklch(0.39 0.212 289.7)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0476

Colors that go with #4c0dab

Royal Blue, Cobalt Blue and Crimson 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 →

#6cab0d

#0d1dab · #9b0dab

#ab4c0d · #0dab4c

Split-complementary

Open in tool →

#ab9b0d · #1dab0d

#ab0d1d · #6cab0d · #0dab9b

Contrast

#4c0dab as textRatioAAAA largeAAAFix
Aaon white
10.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #9050f2 as the text (4.62:1)
  • AAA: use #ae7ff5 as the text (7.15:1)
  • AA: or shift the background to #a8a8a8 (4.52:1)
  • AAA: or shift the background to #d1d1d1 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c0dab 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

#4c0dab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c0dab
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 #4c0dab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c0dab-b19cc4-dfd34e-2b1f2d-e9eaf1?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