Color

#37459a

#37459a
hex#37459a
rgbrgb(55, 69, 154)
hslhsl(232, 47%, 41%)
oklchoklch(0.428 0.139 272.2)
Closest name: Blueberry (#464196)Relative luminance 0.074

Colors that go with #37459a

Charcoal, Sea Green and Steel 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 →

#9a8d37

#37769a · #5b379a

#9a3745 · #459a37

Split-complementary

Open in tool →

#9a5b37 · #769a37

#9a3776 · #9a8d37 · #379a5b

Contrast

#37459a as textRatioAAAA largeAAAFix
Aaon white
8.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #626fc6 as the text (4.61:1)
  • AAA: use #8791d4 as the text (7.03:1)
  • AA: or shift the background to #bdbdbd (4.51:1)
  • AAA: or shift the background to #ebebeb (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37459a 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

#37459a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37459a
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 #37459a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37459a-9c9dc4-df864e-231f2d-e9eef1?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