Color

#235258

#235258
hex#235258
rgbrgb(35, 82, 88)
hslhsl(187, 43%, 24%)
oklchoklch(0.409 0.052 206.5)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.071

Colors that go with #235258

Steel Blue, Teal and Rust 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 →

#582923

#235843 · #233758

#582351 · #515823

Split-complementary

Open in tool →

#582337 · #584323

#432358 · #582923 · #375823

Contrast

#235258 as textRatioAAAA largeAAAFix
Aaon white
8.68:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #37818b as the text (4.68:1)
  • AAA: use #46a3af as the text (7.12:1)
  • AA: or shift the background to #bdbdbd (4.62:1)
  • AAA: or shift the background to #e8e8e8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #235258 as the background.

Brands using this color

Fonts for this mood

#235258 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #235258
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 #235258 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/235258-a2b8be-df4e83-1f262d-e9f1ee?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