Color

#3d3880

#3d3880
hex#3d3880
rgbrgb(61, 56, 128)
hslhsl(244, 39%, 36%)
oklchoklch(0.387 0.118 282.5)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0538

Colors that go with #3d3880

Charcoal, Steel Blue 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 →

#7b8038

#385780 · #613880

#803d38 · #38803d

Split-complementary

Open in tool →

#806138 · #578038

#803857 · #7b8038 · #388061

Contrast

#3d3880 as textRatioAAAA largeAAAFix
Aaon white
10.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #736ebf as the text (4.71:1)
  • AAA: use #9591cf as the text (7.23:1)
  • AA: or shift the background to #adadad (4.51:1)
  • AAA: or shift the background to #d9d9d9 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d3880 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

#3d3880 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d3880
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 #3d3880 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d3880-a39cc4-dfa24e-261f2d-e9edf1?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