Color

#3338cc

#3338cc
hex#3338cc
rgbrgb(51, 56, 204)
hslhsl(238, 60%, 50%)
oklchoklch(0.449 0.221 271.8)
Closest name: Denim (#2243b6)Relative luminance 0.0789

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ccc733

#3385cc · #7a33cc

#cc3338 · #38cc33

Split-complementary

Open in tool →

#cc7a33 · #85cc33

#cc3385 · #ccc733 · #33cc7a

Contrast

#3338cc as textRatioAAAA largeAAAFix
Aaon white
8.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.58:1failfailfail
  • AA: use #6468d8 as the text (4.51:1)
  • AAA: use #8d90e2 as the text (7.22:1)
  • AA: or shift the background to #c2c2c2 (4.57:1)
  • AAA: or shift the background to #f0f0f0 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3338cc 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

#3338cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3338cc
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 #3338cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3338cc-9f9cc4-df944e-251f2d-e9edf1?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