Color

#135658

#135658
hex#135658
rgbrgb(19, 86, 88)
hslhsl(182, 64%, 21%)
oklchoklch(0.414 0.064 198)
Closest name: Cape Verde (#01554f)Relative luminance 0.075

Colors that go with #135658

Crimson, Blue and Cadet 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.

Real palettes that use #135658

Tints & shades

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

Harmonies

Complementary

Open in tool →

#581613

#135838 · #133358

#581356 · #565813

Split-complementary

Open in tool →

#581333 · #583813

#381358 · #581613 · #335813

Contrast

#135658 as textRatioAAAA largeAAAFix
Aaon white
8.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #1d8286 as the text (4.59:1)
  • AAA: use #26a7ab as the text (7.2:1)
  • AA: or shift the background to #bfbfbf (4.57:1)
  • AAA: or shift the background to #ebebeb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #135658 as the background.

Brands using this color

Fonts for this mood

#135658 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #135658
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 #135658 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/135658-a2babe-d45990-1f272d-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