Color

#42489a

#42489a
hex#42489a
rgbrgb(66, 72, 154)
hslhsl(236, 40%, 43%)
oklchoklch(0.442 0.132 276.4)
Closest name: Blueberry (#464196)Relative luminance 0.0813

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a9442

#42739a · #68429a

#9a4248 · #489a42

Split-complementary

Open in tool →

#9a6842 · #739a42

#9a4273 · #9a9442 · #429a68

Contrast

#42489a as textRatioAAAA largeAAAFix
Aaon white
8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.63:1failfailfail
  • AA: use #696fbf as the text (4.63:1)
  • AAA: use #8d91ce as the text (7.07:1)
  • AA: or shift the background to #c4c4c4 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42489a 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

#42489a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42489a
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 #42489a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42489a-9e9cc4-df8f4e-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