Color

#3000db

#3000db
hex#3000db
rgbrgb(48, 0, 219)
hslhsl(253, 100%, 43%)
oklchoklch(0.419 0.269 272.2)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0574

Tints & shades

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

Harmonies

Complementary

Open in tool →

#acdb00

#003edb · #9d00db

#db3000 · #00db30

Split-complementary

Open in tool →

#db9d00 · #3edb00

#db003e · #acdb00 · #00db9d

Contrast

#3000db as textRatioAAAA largeAAAFix
Aaon white
9.77:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #7b57ff as the text (4.65:1)
  • AAA: use #9f85ff as the text (7.27:1)
  • AA: or shift the background to #b0b0b0 (4.51:1)
  • AAA: or shift the background to #dbdbdb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3000db 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

#3000db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3000db
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 #3000db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3000db-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