Color

#375258

#375258
hex#375258
rgbrgb(55, 82, 88)
hslhsl(191, 23%, 28%)
oklchoklch(0.419 0.034 213)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0755

Tints & shades

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

Harmonies

Complementary

Open in tool →

#583d37

#37584d · #374158

#583752 · #525837

Split-complementary

Open in tool →

#583741 · #584d37

#4d3758 · #583d37 · #415837

Contrast

#375258 as textRatioAAAA largeAAAFix
Aaon white
8.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.51:1failfailfail
  • AA: use #527b84 as the text (4.53:1)
  • AAA: use #729da7 as the text (7.1:1)
  • AA: or shift the background to #bfbfbf (4.55:1)
  • AAA: or shift the background to #ebebeb (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375258 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

#375258 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375258
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #375258 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375258-a2b6be-df4e7a-1f252d-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