Color

#350dfd

#350dfd
hex#350dfd
rgbrgb(53, 13, 253)
hslhsl(250, 98%, 52%)
oklchoklch(0.469 0.299 271.2)
Closest name: Overdue Blue (#4400ff)Relative luminance 0.0814

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d5fd0d

#0d5dfd · #ad0dfd

#fd350d · #0dfd35

Split-complementary

Open in tool →

#fdad0d · #5dfd0d

#fd0d5d · #d5fd0d · #0dfdad

Contrast

#350dfd as textRatioAAAA largeAAAFix
Aaon white
7.99:1passpasspassPasses AAA — no fix needed.
Aaon black
2.63:1failfailfail
  • AA: use #7458fd as the text (4.56:1)
  • AAA: use #9a86fe as the text (7.22:1)
  • AA: or shift the background to #c4c4c4 (4.58:1)
  • AAA: or shift the background to #f0f0f0 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #350dfd as the background.

Brands using this color

Fonts for this mood

#350dfd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #350dfd
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 #350dfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/350dfd-a79cc4-dfb14e-281f2d-e9ecf1?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