Color

#353bbb

#353bbb
hex#353bbb
rgbrgb(53, 59, 187)
hslhsl(237, 56%, 47%)
oklchoklch(0.438 0.196 272.9)
Closest name: Denim (#2243b6)Relative luminance 0.0747

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bbb435

#357fbb · #7135bb

#bb353b · #3bbb35

Split-complementary

Open in tool →

#bb7135 · #7fbb35

#bb357f · #bbb435 · #35bb71

Contrast

#353bbb as textRatioAAAA largeAAAFix
Aaon white
8.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #6469d3 as the text (4.5:1)
  • AAA: use #8c90de as the text (7.16:1)
  • AA: or shift the background to #bfbfbf (4.58:1)
  • AAA: or shift the background to #ebebeb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #353bbb 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

#353bbb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353bbb
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 #353bbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353bbb-9f9cc4-df924e-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