Color

#4200bd

#4200bd
hex#4200bd
rgbrgb(66, 0, 189)
hslhsl(261, 100%, 37%)
oklchoklch(0.395 0.235 282.1)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0483

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7bbd00

#001cbd · #a000bd

#bd4200 · #00bd42

Split-complementary

Open in tool →

#bda000 · #1cbd00

#bd001c · #7bbd00 · #00bda0

Contrast

#4200bd as textRatioAAAA largeAAAFix
Aaon white
10.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #8b4dff as the text (4.6:1)
  • AAA: use #ac80ff as the text (7.29:1)
  • AA: or shift the background to #ababab (4.65:1)
  • AAA: or shift the background to #d4d4d4 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4200bd 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

#4200bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4200bd
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 #4200bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4200bd-af9cc4-dfcb4e-2a1f2d-e9eaf1?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