Color

#3e407e

#3e407e
hex#3e407e
rgbrgb(62, 64, 126)
hslhsl(238, 34%, 37%)
oklchoklch(0.402 0.102 279.3)
Closest name: Evening Magic (#363e7d)Relative luminance 0.062

Colors that go with #3e407e

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 →

#7e7c3e

#3e607e · #5c3e7e

#7e3e40 · #407e3e

Split-complementary

Open in tool →

#7e5c3e · #607e3e

#7e3e60 · #7e7c3e · #3e7e5c

Contrast

#3e407e as textRatioAAAA largeAAAFix
Aaon white
9.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #6c6fb7 as the text (4.6:1)
  • AAA: use #9294c9 as the text (7.3:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e407e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #3e407e
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 #3e407e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e407e-9f9cc4-df944e-251f2d-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