Color

#3306bc

#3306bc
hex#3306bc
rgbrgb(51, 6, 188)
hslhsl(255, 94%, 38%)
oklchoklch(0.384 0.235 276.1)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0446

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8ebc06

#0633bc · #8e06bc

#bc3306 · #06bc33

Split-complementary

Open in tool →

#bc8e06 · #33bc06

#bc0633 · #8ebc06 · #06bc8e

Contrast

#3306bc as textRatioAAAA largeAAAFix
Aaon white
11.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #8057fa as the text (4.66:1)
  • AAA: use #a183fb as the text (7.15:1)
  • AA: or shift the background to #a6a6a6 (4.56:1)
  • AAA: or shift the background to #cfcfcf (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3306bc 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

#3306bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3306bc
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 #3306bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3306bc-ab9cc4-dfbd4e-291f2d-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