Color

#321377

#321377
hex#321377
rgbrgb(50, 19, 119)
hslhsl(259, 72%, 27%)
oklchoklch(0.31 0.154 287.7)
Closest name: Galactic Federation (#330077)Relative luminance 0.0248

Tints & shades

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

Harmonies

Complementary

Open in tool →

#577613

#132576 · #641376

#763313 · #137633

Split-complementary

Open in tool →

#766413 · #257613

#761325 · #577613 · #137664

Contrast

#321377 as textRatioAAAA largeAAAFix
Aaon white
14.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #8558e4 as the text (4.51:1)
  • AAA: use #a584eb as the text (7.1:1)
  • AA: or shift the background to #949494 (4.63:1)
  • AAA: or shift the background to #b8b8b8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #321377 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

#321377 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #321377
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 #321377 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/321377-ad9cc4-dfc74e-2a1f2d-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