Color

#37839a

#37839a
hex#37839a
rgbrgb(55, 131, 154)
hslhsl(194, 47%, 41%)
oklchoklch(0.572 0.082 221)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1938

Colors that go with #37839a

Charcoal, Copper and Crimson 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 →

#9a4e37

#379a7f · #37529a

#9a3783 · #839a37

Split-complementary

Open in tool →

#9a3752 · #9a7f37

#7f379a · #9a4e37 · #529a37

Contrast

#37839a as textRatioAAAA largeAAAFix
Aaon white
4.31:1failpassfail
  • AA: use #357c92 as the text (4.72:1)
  • AAA: use #275c6d as the text (7.4:1)
  • AA: or shift the background to #0d0d0d (4.51:1)
Aaon black
4.88:1passpassfail
  • AAA: use #47a1bd as the text (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 #37839a 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

#37839a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37839a
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 #37839a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37839a-9cb6c4-df4e72-1f242d-e9f1ef?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