Color

#280abd

#280abd
hex#280abd
rgbrgb(40, 10, 189)
hslhsl(250, 90%, 39%)
oklchoklch(0.38 0.238 272.1)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0434

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9fbd0a

#0a46bd · #810abd

#bd280a · #0abd28

Split-complementary

Open in tool →

#bd810a · #46bd0a

#bd0a46 · #9fbd0a · #0abd81

Contrast

#280abd as textRatioAAAA largeAAAFix
Aaon white
11.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #745af6 as the text (4.54:1)
  • AAA: use #9986f9 as the text (7.13:1)
  • AA: or shift the background to #a6a6a6 (4.62:1)
  • AAA: or shift the background to #cfcfcf (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #280abd 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

#280abd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280abd
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 #280abd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280abd-a79cc4-dfb14e-281f2d-e9ecf1?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