Color

#370467

#370467
hex#370467
rgbrgb(55, 4, 103)
hslhsl(271, 93%, 21%)
oklchoklch(0.286 0.148 298.8)
Closest name: Cotinga Purple (#340059)Relative luminance 0.0188

Tints & shades

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

Harmonies

Complementary

Open in tool →

#346704

#050467 · #670466

#673704 · #046737

Split-complementary

Open in tool →

#666704 · #046705

#670504 · #346704 · #046667

Contrast

#370467 as textRatioAAAA largeAAAFix
Aaon white
15.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #9f3ff8 as the text (4.54:1)
  • AAA: use #ba75fa as the text (7.01:1)
  • AA: or shift the background to #8c8c8c (4.54:1)
  • AAA: or shift the background to #b0b0b0 (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 #370467 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

#370467 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #370467
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 #370467 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/370467-b59cc4-c7cb62-2c1f2d-eae9f1?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