Color

#370eec

#370eec
hex#370eec
rgbrgb(55, 14, 236)
hslhsl(251, 89%, 49%)
oklchoklch(0.449 0.281 272.7)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0718

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c3ec0e

#0e54ec · #a60eec

#ec370e · #0eec37

Split-complementary

Open in tool →

#eca60e · #54ec0e

#ec0e54 · #c3ec0e · #0eeca6

Contrast

#370eec as textRatioAAAA largeAAAFix
Aaon white
8.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #775bf5 as the text (4.6:1)
  • AAA: use #9b87f8 as the text (7.21:1)
  • AA: or shift the background to #bdbdbd (4.59:1)
  • AAA: or shift the background to #e8e8e8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #370eec 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

#370eec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #370eec
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 #370eec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/370eec-a89cc4-dfb34e-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