Color

#3c10ea

#3c10ea
hex#3c10ea
rgbrgb(60, 16, 234)
hslhsl(252, 87%, 49%)
oklchoklch(0.451 0.277 274.3)
Closest name: Overdue Blue (#4400ff)Relative luminance 0.0727

Tints & shades

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

Harmonies

Complementary

Open in tool →

#beea10

#1051ea · #a810ea

#ea3c10 · #10ea3c

Split-complementary

Open in tool →

#eaa810 · #51ea10

#ea1051 · #beea10 · #10eaa8

Contrast

#3c10ea as textRatioAAAA largeAAAFix
Aaon white
8.56:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #7b5df4 as the text (4.71:1)
  • AAA: use #9e88f7 as the text (7.32:1)
  • AA: or shift the background to #bdbdbd (4.55:1)
  • AAA: or shift the background to #ebebeb (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c10ea 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

#3c10ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c10ea
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 #3c10ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c10ea-a99cc4-dfb64e-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