Color

#3d41bd

#3d41bd
hex#3d41bd
rgbrgb(61, 65, 189)
hslhsl(238, 51%, 49%)
oklchoklch(0.454 0.19 274.4)
Closest name: Denim (#2243b6)Relative luminance 0.0845

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bdb83d

#3d81bd · #793dbd

#bd3d41 · #41bd3d

Split-complementary

Open in tool →

#bd793d · #81bd3d

#bd3d81 · #bdb83d · #3dbd79

Contrast

#3d41bd as textRatioAAAA largeAAAFix
Aaon white
7.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.69:1failfailfail
  • AA: use #696cce as the text (4.64:1)
  • AAA: use #8f92db as the text (7.3:1)
  • AA: or shift the background to #c7c7c7 (4.62:1)
  • AAA: or shift the background to #f5f5f5 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d41bd 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

#3d41bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d41bd
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 #3d41bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d41bd-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