Color

#3e3979

#3e3979
hex#3e3979
rgbrgb(62, 57, 121)
hslhsl(245, 36%, 35%)
oklchoklch(0.385 0.105 283.8)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0533

Colors that go with #3e3979

Steel Blue, 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 →

#747939

#395479 · #5f3979

#793e39 · #39793e

Split-complementary

Open in tool →

#795f39 · #547939

#793954 · #747939 · #39795f

Contrast

#3e3979 as textRatioAAAA largeAAAFix
Aaon white
10.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #746dba as the text (4.64:1)
  • AAA: use #9590cb as the text (7.13:1)
  • AA: or shift the background to #adadad (4.53:1)
  • AAA: or shift the background to #d9d9d9 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e3979 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

#3e3979 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e3979
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 #3e3979 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e3979-a49cc4-dfa54e-261f2d-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