Color

#375768

#375768
hex#375768
rgbrgb(55, 87, 104)
hslhsl(201, 31%, 31%)
oklchoklch(0.439 0.047 232.5)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0863

Colors that go with #375768

Cadet Blue, Goldenrod and Medium Sea Green 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.

Real palettes that use #375768

Tints & shades

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

Harmonies

Complementary

Open in tool →

#684837

#376860 · #373e68

#683756 · #566837

Split-complementary

Open in tool →

#68373e · #686037

#603768 · #684837 · #3e6837

Contrast

#375768 as textRatioAAAA largeAAAFix
Aaon white
7.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.73:1failfailfail
  • AA: use #4d7b93 as the text (4.57:1)
  • AAA: use #6f9cb3 as the text (7.08:1)
  • AA: or shift the background to #c7c7c7 (4.56:1)
  • AAA: or shift the background to #f5f5f5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375768 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #375768
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 #375768 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375768-9cb1c4-df4e62-1f222d-e9f1f0?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