Color

#3e477a

#3e477a
hex#3e477a
rgbrgb(62, 71, 122)
hslhsl(231, 33%, 36%)
oklchoklch(0.415 0.086 274.5)
Closest name: Assassin (#2d4f83)Relative luminance 0.0694

Colors that go with #3e477a

Steel Blue, Crimson and Denim 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 →

#7a713e

#3e657a · #533e7a

#7a3e47 · #477a3e

Split-complementary

Open in tool →

#7a533e · #657a3e

#7a3e65 · #7a713e · #3e7a53

Contrast

#3e477a as textRatioAAAA largeAAAFix
Aaon white
8.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #6672b2 as the text (4.61:1)
  • AAA: use #8c94c5 as the text (7.16:1)
  • AA: or shift the background to #bababa (4.53:1)
  • AAA: or shift the background to #e6e6e6 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e477a 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 #3e477a
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 #3e477a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e477a-9c9ec4-df834e-231f2d-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