Color

#3542bb

#3542bb
hex#3542bb
rgbrgb(53, 66, 187)
hslhsl(234, 56%, 47%)
oklchoklch(0.45 0.188 271.6)
Closest name: Denim (#2243b6)Relative luminance 0.0824

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bbae35

#3585bb · #6a35bb

#bb3542 · #42bb35

Split-complementary

Open in tool →

#bb6a35 · #85bb35

#bb3585 · #bbae35 · #35bb6a

Contrast

#3542bb as textRatioAAAA largeAAAFix
Aaon white
7.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #606bd2 as the text (4.53:1)
  • AAA: use #8890dd as the text (7.08:1)
  • AA: or shift the background to #c4c4c4 (4.55:1)
  • AAA: or shift the background to #f2f2f2 (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 #3542bb 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

#3542bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3542bb
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 #3542bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3542bb-9d9cc4-df8a4e-241f2d-e9eef1?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