Color

#3e488e

#3e488e
hex#3e488e
rgbrgb(62, 72, 142)
hslhsl(233, 39%, 40%)
oklchoklch(0.43 0.115 274.4)
Closest name: Blueberry (#464196)Relative luminance 0.0761

Colors that go with #3e488e

Crimson, Midnight Blue and Royal 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 →

#8e843e

#3e6f8e · #5d3e8e

#8e3e48 · #488e3e

Split-complementary

Open in tool →

#8e5d3e · #6f8e3e

#8e3e6f · #8e843e · #3e8e5d

Contrast

#3e488e as textRatioAAAA largeAAAFix
Aaon white
8.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #6771bc as the text (4.66:1)
  • AAA: use #8a92cc as the text (7.06:1)
  • AA: or shift the background to #bfbfbf (4.53:1)
  • AAA: or shift the background to #ededed (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e488e 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

#3e488e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e488e
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 #3e488e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e488e-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