Color

#37087d

#37087d
hex#37087d
rgbrgb(55, 8, 125)
hslhsl(264, 88%, 26%)
oklchoklch(0.313 0.168 290.5)
Closest name: Galactic Federation (#330077)Relative luminance 0.0247

Colors that go with #37087d

Charcoal, Crimson and Royal 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 →

#4e7d08

#08147d · #71087d

#7d3708 · #087d37

Split-complementary

Open in tool →

#7d7108 · #147d08

#7d0814 · #4e7d08 · #087d71

Contrast

#37087d as textRatioAAAA largeAAAFix
Aaon white
14.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #904ef4 as the text (4.58:1)
  • AAA: use #ae7ef7 as the text (7.13:1)
  • 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 #37087d 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

#37087d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37087d
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 #37087d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37087d-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