Color

#2c1d91

#2c1d91
hex#2c1d91
rgbrgb(44, 29, 145)
hslhsl(248, 67%, 34%)
oklchoklch(0.345 0.177 277.5)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0346

Colors that go with #2c1d91

Steel Blue, Blue and Charcoal 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 →

#81911d

#1d4791 · #661d91

#912c1d · #1d912c

Split-complementary

Open in tool →

#91661d · #47911d

#911d47 · #81911d · #1d9166

Contrast

#2c1d91 as textRatioAAAA largeAAAFix
Aaon white
12.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #7261e0 as the text (4.5:1)
  • AAA: use #988ce8 as the text (7.25:1)
  • AA: or shift the background to #9c9c9c (4.52:1)
  • AAA: or shift the background to #c4c4c4 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c1d91 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

#2c1d91 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c1d91
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 #2c1d91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c1d91-a69cc4-dfac4e-271f2d-e9ecf1?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