Color

#3535bb

#3535bb
hex#3535bb
rgbrgb(53, 53, 187)
hslhsl(240, 56%, 47%)
oklchoklch(0.428 0.203 273.7)
Closest name: Denim (#2243b6)Relative luminance 0.0689

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bbbb35

#3578bb · #7835bb

#bb3535 · #35bb35

Split-complementary

Open in tool →

#bb7835 · #78bb35

#bb3578 · #bbbb35 · #35bb78

Contrast

#3535bb as textRatioAAAA largeAAAFix
Aaon white
8.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #6868d4 as the text (4.52:1)
  • AAA: use #9090e0 as the text (7.25:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3535bb 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

#3535bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3535bb
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 #3535bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3535bb-a19cc4-df994e-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