Color

#37097c

#37097c
hex#37097c
rgbrgb(55, 9, 124)
hslhsl(264, 86%, 26%)
oklchoklch(0.312 0.166 290.7)
Closest name: Galactic Federation (#330077)Relative luminance 0.0246

Colors that go with #37097c

Royal Blue, Charcoal and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e7b09

#09157b · #70097b

#7b3709 · #097b37

Split-complementary

Open in tool →

#7b7009 · #157b09

#7b0915 · #4e7b09 · #097b70

Contrast

#37097c as textRatioAAAA largeAAAFix
Aaon white
14.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #9050f2 as the text (4.62:1)
  • AAA: use #ae7ff5 as the text (7.15:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (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 #37097c 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

#37097c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37097c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #37097c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37097c-b19cc4-dfd34e-2b1f2d-e9eaf1?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