Color

#2803aa

#2803aa
hex#2803aa
rgbrgb(40, 3, 170)
hslhsl(253, 97%, 34%)
oklchoklch(0.352 0.221 274)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0342

Tints & shades

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

Harmonies

Complementary

Open in tool →

#86ab03

#0332ab · #7b03ab

#ab2703 · #03ab27

Split-complementary

Open in tool →

#ab7b03 · #32ab03

#ab0332 · #86ab03 · #03ab7b

Contrast

#2803aa as textRatioAAAA largeAAAFix
Aaon white
12.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #7d59fc as the text (4.71:1)
  • AAA: use #a086fd as the text (7.32:1)
  • AA: or shift the background to #9c9c9c (4.54:1)
  • AAA: or shift the background to #c2c2c2 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2803aa 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

#2803aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2803aa
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 #2803aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2803aa-a99cc4-dfb84e-281f2d-e9ebf1?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