Color

#3312ed

#3312ed
hex#3312ed
rgbrgb(51, 18, 237)
hslhsl(249, 86%, 50%)
oklchoklch(0.45 0.282 271.6)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0725

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cced12

#125fed · #a012ed

#ed3312 · #12ed33

Split-complementary

Open in tool →

#eda012 · #5fed12

#ed125f · #cced12 · #12eda0

Contrast

#3312ed as textRatioAAAA largeAAAFix
Aaon white
8.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #745ef3 as the text (4.64:1)
  • AAA: use #9988f6 as the text (7.21:1)
  • AA: or shift the background to #bdbdbd (4.56:1)
  • AAA: or shift the background to #ebebeb (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3312ed 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

#3312ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3312ed
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 #3312ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3312ed-a79cc4-dfae4e-271f2d-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