Color

#3a2876

#3a2876
hex#3a2876
rgbrgb(58, 40, 118)
hslhsl(254, 49%, 31%)
oklchoklch(0.347 0.127 288.6)
Closest name: Explorer of the Galaxies (#3a1f76)Relative luminance 0.0373

Colors that go with #3a2876

Charcoal, Denim and 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 →

#647628

#283d76 · #612876

#763a28 · #28763a

Split-complementary

Open in tool →

#766128 · #3d7628

#76283d · #647628 · #287661

Contrast

#3a2876 as textRatioAAAA largeAAAFix
Aaon white
12.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #7e67cb as the text (4.69:1)
  • AAA: use #9f8dd8 as the text (7.28:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (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 #3a2876 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

#3a2876 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a2876
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 #3a2876 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a2876-aa9cc4-dfbb4e-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