Color

#353bf3

#353bf3
hex#353bf3
rgbrgb(53, 59, 243)
hslhsl(238, 89%, 58%)
oklchoklch(0.495 0.263 270.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.1036

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3ed35

#359af3 · #8e35f3

#f3353b · #3bf335

Split-complementary

Open in tool →

#f38e35 · #9af335

#f3359a · #f3ed35 · #35f38e

Contrast

#353bf3 as textRatioAAAA largeAAAFix
Aaon white
6.84:1passpassfail
  • AAA: use #3036f3 as the text (7.12:1)
Aaon black
3.07:1failpassfail
  • AA: use #6065f6 as the text (4.69:1)
  • AAA: use #878af8 as the text (7.02:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #353bf3 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

#353bf3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353bf3
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 #353bf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353bf3-9f9cc4-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