Color

#351cc4

#351cc4
hex#351cc4
rgbrgb(53, 28, 196)
hslhsl(249, 75%, 44%)
oklchoklch(0.409 0.234 275.2)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0557

Tints & shades

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

Harmonies

Complementary

Open in tool →

#abc41c

#1c57c4 · #891cc4

#c4351c · #1cc435

Split-complementary

Open in tool →

#c4891c · #57c41c

#c41c57 · #abc41c · #1cc489

Contrast

#351cc4 as textRatioAAAA largeAAAFix
Aaon white
9.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #7763e9 as the text (4.75:1)
  • AAA: use #9a8bee as the text (7.3:1)
  • AA: or shift the background to #b0b0b0 (4.58:1)
  • AAA: or shift the background to #d9d9d9 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #351cc4 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

#351cc4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #351cc4
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 #351cc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/351cc4-a79cc4-dfae4e-271f2d-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