Color

#3e4bbb

#3e4bbb
hex#3e4bbb
rgbrgb(62, 75, 187)
hslhsl(234, 50%, 49%)
oklchoklch(0.471 0.175 272.7)
Closest name: Denim (#2243b6)Relative luminance 0.0964

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bbaf3e

#3e89bb · #703ebb

#bb3e4b · #4bbb3e

Split-complementary

Open in tool →

#bb703e · #89bb3e

#bb3e89 · #bbaf3e · #3ebb70

Contrast

#3e4bbb as textRatioAAAA largeAAAFix
Aaon white
7.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #626dcb as the text (4.57:1)
  • AAA: use #8890d7 as the text (7.02:1)
  • AA: or shift the background to #cfcfcf (4.6:1)
  • AAA: or shift the background to #ffffff (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e4bbb 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

#3e4bbb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e4bbb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3e4bbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e4bbb-9d9cc4-df8a4e-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