Color

#373550

#373550
hex#373550
rgbrgb(55, 53, 80)
hslhsl(244, 20%, 26%)
oklchoklch(0.343 0.047 287)
Closest name: Call It a Night (#42364c)Relative luminance 0.0394

Colors that go with #373550

Dark Olive Green, 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 →

#4e5035

#354150 · #443550

#503735 · #355037

Split-complementary

Open in tool →

#504435 · #415035

#503541 · #4e5035 · #355044

Contrast

#373550 as textRatioAAAA largeAAAFix
Aaon white
11.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #7572a1 as the text (4.68:1)
  • AAA: use #9694b8 as the text (7.22:1)
  • AA: or shift the background to #a1a1a1 (4.55:1)
  • AAA: or shift the background to #c9c9c9 (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 #373550 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

#373550 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #373550
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 #373550 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/373550-a39cc4-dfa24e-261f2d-e9edf1?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