Color

#3530bb

#3530bb
hex#3530bb
rgbrgb(53, 48, 187)
hslhsl(242, 59%, 46%)
oklchoklch(0.421 0.208 274.4)
Closest name: Denim (#2243b6)Relative luminance 0.0646

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b6bb30

#3071bb · #7a30bb

#bb3530 · #30bb35

Split-complementary

Open in tool →

#bb7a30 · #71bb30

#bb3071 · #b6bb30 · #30bb7a

Contrast

#3530bb as textRatioAAAA largeAAAFix
Aaon white
9.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #6d69d8 as the text (4.66:1)
  • AAA: use #908de2 as the text (7.09:1)
  • AA: or shift the background to #b8b8b8 (4.62:1)
  • AAA: or shift the background to #e3e3e3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3530bb 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

#3530bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3530bb
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 #3530bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3530bb-a29cc4-df9e4e-261f2d-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