Color

#370abd

#370abd
hex#370abd
rgbrgb(55, 10, 189)
hslhsl(255, 90%, 39%)
oklchoklch(0.39 0.234 277.4)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.047

Tints & shades

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

Harmonies

Complementary

Open in tool →

#90bd0a

#0a37bd · #900abd

#bd370a · #0abd37

Split-complementary

Open in tool →

#bd900a · #37bd0a

#bd0a37 · #90bd0a · #0abd90

Contrast

#370abd as textRatioAAAA largeAAAFix
Aaon white
10.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #7e55f6 as the text (4.52:1)
  • AAA: use #a386f9 as the text (7.34:1)
  • AA: or shift the background to #a8a8a8 (4.55:1)
  • AAA: or shift the background to #d1d1d1 (7.09:1)

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

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

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

tool url/palettes/new/370abd-ab9cc4-dfbd4e-291f2d-e9ebf1?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