Color

#4142aa

#4142aa
hex#4142aa
rgbrgb(65, 66, 170)
hslhsl(239, 45%, 46%)
oklchoklch(0.442 0.163 277)
Closest name: Blueberry (#464196)Relative luminance 0.0792

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aaa841

#4177aa · #7441aa

#aa4142 · #42aa41

Split-complementary

Open in tool →

#aa7441 · #77aa41

#aa4177 · #aaa841 · #41aa74

Contrast

#4142aa as textRatioAAAA largeAAAFix
Aaon white
8.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.58:1failfailfail
  • AA: use #6b6dc7 as the text (4.64:1)
  • AAA: use #9091d5 as the text (7.2:1)
  • AA: or shift the background to #c2c2c2 (4.56:1)
  • AAA: or shift the background to #f0f0f0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4142aa 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

#4142aa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4142aa
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 #4142aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4142aa-a09cc4-df964e-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