Color

#3e3753

#3e3753
hex#3e3753
rgbrgb(62, 55, 83)
hslhsl(255, 20%, 27%)
oklchoklch(0.356 0.048 295.3)
Closest name: Call It a Night (#42364c)Relative luminance 0.0438

Colors that go with #3e3753

Dark Olive Green, Sea Green and Steel 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 →

#4c5337

#373e53 · #4c3753

#533e37 · #37533e

Split-complementary

Open in tool →

#534c37 · #3e5337

#53373e · #4c5337 · #37534c

Contrast

#3e3753 as textRatioAAAA largeAAAFix
Aaon white
11.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.88:1failfailfail
  • AA: use #7b6f9f as the text (4.62:1)
  • AAA: use #9a91b6 as the text (7.1:1)
  • AA: or shift the background to #a6a6a6 (4.6:1)
  • AAA: or shift the background to #cfcfcf (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e3753 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

#3e3753 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e3753
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 #3e3753 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e3753-ab9cc4-dfbd4e-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