Color

#3e4579

#3e4579
hex#3e4579
rgbrgb(62, 69, 121)
hslhsl(233, 32%, 36%)
oklchoklch(0.41 0.087 276.1)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0666

Colors that go with #3e4579

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 →

#79723e

#3e6379 · #553e79

#793e45 · #45793e

Split-complementary

Open in tool →

#79553e · #63793e

#793e63 · #79723e · #3e7955

Contrast

#3e4579 as textRatioAAAA largeAAAFix
Aaon white
9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #6870b1 as the text (4.54:1)
  • AAA: use #8d93c4 as the text (7.1:1)
  • AA: or shift the background to #b8b8b8 (4.54:1)
  • AAA: or shift the background to #e3e3e3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e4579 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 #3e4579
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 #3e4579 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e4579-9c9cc4-df884e-241f2d-e9eef1?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